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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

Writing an Equation Representing a Real-World Example Janelle is in charge of bringing in dry erase markers for everyone in her math group to use to work on a project. She brings 3 markers for each person in her group an...
Asked by D4VD 1 answer
The Erie Canal cost seven million dollars, but toll charges paid the entire cost in years.
Asked by Makayla 1 answer
Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______. a. coal b. biomass c. biofuels d. petroleum Please select the best answer from the...
Asked by bob 1 answer
Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Quadratic formula: x = StartFraction negative b plus or minus StartRoot b squared minus 4 a c...
Asked by kelvin calin 1 answer
Which direction does thermal energy flow in the following diagram? A hand holding an ice cream cone. Heat flows from the ice cream to the hand. Heat flows from the hand to the ice cream. The system is in a state of equil...
Asked by qp 1 answer
select all the adjectives the city of kyoto japan is famous for having a rich history fascinating temples and beautiful gardens
Asked by liah 1 answer
A track for cars carrying material out of mines is a: cable-car turnpike tramway railroad
Asked by Makayla 1 answer
A metal sample is heated and placed into the water in a calorimeter at room temperature. Which statement best describes how the calorimeter can be used to determine the specific heat capacity of the metal sample? Energy...
Asked by qp 1 answer
What is 1,000,000 X 3
Asked by Kohen 1 answer
( – 7d+4)+( – 4d2+9d–2)
Asked by Nico 1 answer
Which statement about enthalpy is true? The enthalpy of formation for a pure element in its standard state is always positive. The enthalpy of formation for a pure element in its standard state is always negative. Enthal...
Asked by qp 1 answer
Zoning laws establish _______. a. what types of buildings can be built in an area b. the uses an area of land can be put to c. who can live in an area d. the types of business that can occupy a building Please select the...
Asked by bob 1 answer
eli wiesel nobel prize acceptance speech 1986 what was overall center message
Asked by .. 1 answer
How did the Erie Canal impact the economy of the United States? Southerners were able to move north more efficiently and in greater numbers. It increased trade on the Mississippi. Indigenous people had to move off their...
Asked by Makayla 1 answer
(6v+2)+(2v+6)
Asked by Nico 1 answer
Which of the following scenarios is representative of how agricultural practices can affect the environment? a. increased oxygen levels in a pond due to fertilizer runoff b. sediment accumulation in a body of water near...
Asked by bob 1 answer
Nitrogen dioxide, NO2(g) (Delta.Hf = 33.84 kJ/mol), is decomposed according to the following reaction: 2 upper N upper O subscript 2 (g) right arrow upper N subscript 2 (g) plus 2 upper O subscript 2 (g). What is the ent...
Asked by qp 1 answer
On the map, the grocery store is 2 inches away from the library. The actual distance is 1.5 miles. The same map shows that the movie theater is 20 inches from the school. What is the actual distance from the movie theate...
Asked by alex 1 answer
select all the adjectives the snowfall was heavy so the police routed all the traffic to the new highway
Asked by liah 1 answer
The graph shows a line and two similar triangles. On a coordinate plane, a line goes through (0, 0) and (8, 2). A small triangle has a rise of 1 and run of 4, and a larger triangle has a rise of 2 and run of 8. Which exp...
Asked by alex 1 answer
Which of the following is true about ice ages? a. forests are plentiful and common b. biodiversity is reduced c. ecosystems are created d. glaciers recede Please select the best answer from the choices provided A B C D
Asked by bob 1 answer
(8c3+5c2+6c+7)–(c3+4c2+6c+5)
Asked by Nico 1 answer
Which is the graph of a quadratic equation that has a negative discriminant? On a coordinate plane, a parabola opens down. It goes through (negative 4, negative 4), has a vertex at (negative 2, 0), and goes through (0, n...
Asked by kelvin calin 1 answer
If the relationship is proportional, what is the missing value from the table? x y –3 –1 –12 ? –30 –10 –8 –6 –5 –4
Asked by alex 1 answer
Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = –6. Which function could Heather be writing? f(x) = x2 + 36x + 12 f(x) = x2 – 36x – 12 f(x) = –x2 + 12x...
Asked by kelvin calin 1 answer