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February 2026

34,964 public questions were asked this month.

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Recent questions

Latest from February 2026

Simplify the expression –2(p + 4)2 – 3 + 5p. What is the simplified expression in standard form? –2p2 – 11p – 35 2p2 + 21p + 29 –2p2 + 13p + 13 4p2 + 37p – 67
Asked by bob 1 answer
In a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule. What is the mass of the molecule that is formed?(1 point) Responses 152 amu 152 amu 228 amu 228 amu 38 amu 38 amu 76 amu...
Asked by he 1 answer
How did Portugal receive the title of “First Global” Empire? Portugal was the first European country to overtake a European colony. Portugal was the first European country to settle a foreign colony. Portugal was the fir...
Asked by caleb 1 answer
A population of water birds has varying leg lengths. The water level in their habitat increases significantly. Explain how this environmental change would affect the distribution of leg lengths in the population over tim...
Asked by nope 1 answer
A student is developing a claim about federal funding for public libraries. Which of these claims is fair?(1 point) Responses Everybody seems to think that libraries are dying, but it’s not true because they’re being use...
Asked by cool boy 1 answer
Use the equation and the table to answer the question. FeCl3 + 3H2O → Fe(OH)3 + 3HCl Atomic Masses of Elements Element Mass of an Atom (amu) Fe 56 Cl 35 H 1 O 16 Iron chloride and water react according to the equation sh...
Asked by he 1 answer
Point K is on figure D has the coordinates (6,3) . If it is reflected across the y -axis, what would the new coordinates be for the reflected point K?(1 point) Responses (6,−3) left parenthesis 6 comma negative 3 right p...
Asked by nana 1 answer
To practice the policy of imperialism, European nations had to travel great distances across large oceans. Why did these nations go to such expense and take the risks involved in colonization? Internal political conflict...
Asked by caleb 1 answer
Which statement is true regarding a chemical reaction?(1 point) Responses The total number of atoms changes, so mass is conserved in the reaction. The total number of atoms changes, so mass is conserved in the reaction....
Asked by he 1 answer
The water cycle affects the composition of soil. A student and family plan a trip to the Delaware Water Gap National Recreation Area (DEWA). Before leaving on the trip, the student researches DEWA and finds that a “water...
Asked by doodooman5 1 answer
Question Which one of these properties will never change when a figure is reflected across a line of reflection?(1 point) Responses the x -coordinates the x -coordinates the y -coordinates the y -coordinates size size po...
Asked by nana 1 answer
What economic need is often cited by historians as a reason for the colonization of other countries by Europe? Governments needed additional materials for creating currency. Bankers needed to expand their customer base b...
Asked by caleb 1 answer
An electric current moves through a circuit that makes a complete loop. How will the amount of electrical energy change as the current moves through the circuit?(1 point) Responses The electrical energy will be the same...
Asked by ben hen 1 answer
An illustration of a coordinate plane with four quadrants shows the x-axis extending from negative 9 to 9 in increments of 1 and the y-axis extending from negative 11 to 11 in increments of 1. A triangle A B C is plotted...
Asked by nana 1 answer
An illustration shows a coordinate plane. The x-axis and the y-axis range from negative 6 to 6 in one unit increments. Eight points are plotted on the plane. Two quadrilaterals are graphed on the plane. Four points are p...
Asked by nana 1 answer
How did the Industrial Revolution motivate Europe to colonize and expand? Additional resources were needed to feed the ever-multiplying factories all over Europe--and to make their owners rich. The Industrial Revolution...
Asked by caleb 1 answer
Describe what happens to the proportion of advantageous traits in a population over many generations due to natural selection. Write your answer in 1 sentences. give me a short and simple answer (2 points)
Asked by nope 1 answer
Triangle ABC is reflected across the x -axis. If the coordinates of the original shape are A(−4,−1) , B(−5,−2) , and C(−10,−1) , what are the coordinates of A′ , B′ , and C′ ?(1 point) Responses A′(−4,1) , B′(5,−2) , and...
Asked by nana 1 answer
Describe what happens to the proportion of advantageous traits in a population over many generations due to natural selection. Write your answer in 1-2 sentences. give me a simple answer (2 points)
Asked by nope 1 answer
What is the only force that acts on an object in free fall? centripetal friction gravity
Asked by christian 1 answer
Interpret the key features of the graph to determine the transformation that occurred from its original function y=x−−√3 . (1 point) Responses This graph represents a shift down due to the change in the y-intercept from...
Asked by Sigma 1 answer
The pictures to the right show some common baking ingredients: butter, flour, oil, egg, sugar, and milk. Suppose someone wanted to sort these ingredients into two groups, with at least two items in each group. Which of t...
Asked by Tesla 1 answer
Which is an example of a behavioral adaptation for surviving a cold winter? (1 point) Responses An animal changing its fur color. An animal changing its fur color. An animal growing a thicker coat. An animal growing a th...
Asked by nope 1 answer
Based on archaeological finds in Cantábria, about how long have humans lived in that area? (1 point) Responses 52,000 years 52,000 years 37,000 years 37,000 years 14,000 years 14,000 years 5,000 years
Asked by Meow idk 1 answer
. What role did cultural diffusion play in the development of common themes in the world’s literature? When different parts of the world developed systems of writing, they borrowed the literature of other cultures. When...
Asked by caleb 1 answer