Archive month

December 2025

42,840 public questions were asked this month.

← Nov 2025 Jan 2026 →

By day

Daily archive

1 2,939 2 2,810 3 3,385 4 3,420 5 2,979 6 454 7 708 8 3,076 9 2,883 10 2,814 11 3,129 12 2,547 13 152 14 215 15 1,952 16 2,706 17 2,558 18 1,693 19 1,109 20 85 21 104 22 73 23 146 24 83 25 8 26 115 27 76 28 223 29 112 30 212 31 74

Recent questions

Latest from December 2025

Some benefits of a farmer intercropping growing both rubber and tea include which of the following? Choose the best THREE options. (1 point) Responses decreased deforestation decreased deforestation protection of the soi...
Asked by ocean cureent 1 answer
What is the primary goal of sustainable farming?(1 point) Responses developing new crops to grow while still growing traditional varieties developing new crops to grow while still growing traditional varieties meeting cu...
Asked by ocean cureent 1 answer
What conclusion did the researchers from University of California San Diego reach regarding the best type of material to use for beach nourishment?(1 point) Responses Boulders should be placed near the water's edge to pr...
Asked by ocean cureent 1 answer
Flood mitigation techniques used by the federal government include which of the following? Choose the TWO best options. (1 point) Responses encourages building of farms and cities along flood plains encourages building o...
Asked by ocean cureent 1 answer
Which of the following is one effect waves have on shorelines?(1 point) Responses They cause shorelines to move inland. They cause shorelines to move inland. They cause shorelines to extend further into the water. They c...
Asked by ocean cureent 1 answer
Jack walked up a hill at a speed of $(x^2-11x-22)$ miles per hour. Meanwhile, Jill walked a total distance of $(x^2-3x-54)$ miles in $(x+6)$ hours. If Jack and Jill walked at the same speed, what is that speed, in miles...
Asked by Bob 1 answer
Evaluate $531^2 - 2\cdot 531\cdot 530 + 530^2$
Asked by Bob 1 answer
If $(x + y)^2 = 78$ and $xy = 13$, what is $(x - y)^2$?
Asked by Bob 1 answer
Let $r$ and $s$ be the roots of $2x^2 + 5x - 13 = 0.$ Find $r^2 + s^2.$
Asked by Bob 1 answer
Simplify the expression \[\frac{1}{\sqrt{36} - \sqrt{27}} - \frac{1}{\sqrt{27} - \sqrt{18}} + \frac{1}{\sqrt{18} - \sqrt{9}}.\]
Asked by Bob 1 answer
Simplify the expression \[\frac{3}{\sqrt{2}} + \frac{1}{\sqrt{8}} - \frac{6}{\sqrt{32}}.\]
Asked by Bob 1 answer
Let $a$ and $b$ be the roots of $x^2 + 7x - 4 = 0$. Find $(a + 3)(b + 3).$
Asked by Bob 1 answer
One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root? \begin{align*} &-x^2 - 18x + 9 \\ &3x^2 - 6x + 12 \\ &8x^2 - 32x - 128 \\ &25x^2 - 30x + 64 \\ &x^2 -...
Asked by Bob 1 answer
Compute \[1234567890^2 - 2\cdot1234567890\cdot 1234567898 + 1234567898^2\]
Asked by Bob 1 answer
Find the largest prime factor of $309^2 - 147^2.$
Asked by Bob 1 answer
When the function f(x)=cosx is reflected across the x-axis, the resulting function is g(x)=−cosx . If the coordinates of the y-intercept of f(x)=cosx are (0,1) , what are the coordinates of the y-intercept of the reflect...
Asked by Mason 1 answer
Which of the following could be found in a table of values for the function g(x)=cos(−1.5x)−1 ?(1 point) Responses (2π3,−2) left parenthesis Start Fraction 2 pi over 3 End Fraction comma negative 2 right parenthesis (2π3...
Asked by Mason 1 answer
What is −cos(45°) ?(1 point)
Asked by Mason 1 answer
Use the image to answer the question. A solid line wave and a dotted line wave are plotted on a coordinate plane. The x-axis ranges from negative 2 pi to 2 pi in increments of pi. The y-axis ranges from negative 4 to 10...
Asked by Mason 1 answer
Question Use the image to answer the question. A waveform is graphed on a coordinate plane. The x-axis ranges from negative 2 pi to 2 pi in increments of Start Fraction pi over 2 End Fraction. The y-axis ranges from nega...
Asked by Mason 1 answer
Use the image to answer the question. A waveform is graphed on a coordinate plane. The x-axis ranges from negative 2 pi to 2 pi in increments of Start Fraction pi over 2 End Fraction. The y-axis ranges from negative 2 to...
Asked by Mason 1 answer
Question Use the image to answer the question. A waveform graph is shown on a coordinate plane. The x axis is labeled in increments of start fraction pi over 6 end fraction, going from 0 to start fraction 2 pi over 3 end...
Asked by Mason 1 answer
Question Use the table to answer the question. Complete the Table for f(θ) for the Given Values of θ θ f(θ) 0 π4 π2 3π4 π Use the table of values to graph the f(θ)=4sin(2θ) and find the amplitude, midline, and period. (1...
Asked by Mason 1 answer
Question The height of a rider on a Ferris wheel can be represented as a periodic scenario. What is a reasonable length of a cycle? (1 point) Responses 1 second 1 second 1 minute 1 minute 100 feet 100 feet 10 miles per h...
Asked by Mason 1 answer
In an experiment, the temperature of a liquid is measured as it is heated and then allowed to cool. The temperature rises to 176°FFahrenheit and drops to 68°FFahrenheit at each step of the process. This process is repeat...
Asked by Mason 1 answer