What is a perfect square? 20,21,24,25

If 2x^2-5x+7 is subtracted from 4x^2+2x-11, what is the coefficient of x in the result?

If you were to draw three different parallelograms, each with a base of 6 units and a height of 4 units how would the areas compare?

You want to cut two ribbons into equal lengths with nothing left over. The ribbons are 18 and 42 inches long. What is the longest possible length of ribbon you can cut? Is it 30 inches long each?

Exam question: You can buy a 57 -pound bag of flour for $ 11 or you can buy a 1-pound bag for $ 0.41 Compare the per pound cost for the large and small bags. Student solution: The large bag price is 57 divided by : $ 11 equals = $ 5.

A backpacking tent in the shape of a triangular prism has sides that are 6 ft and a length of 7 ft. What is the volume of the tent to the nearest whole number?

38 4/7% as a fraction

Having trouble with this math question of my son's x2 + 3X - 12

For whom do senators and respresentations work

Gabe tried to use the law of cosines to find an unknown angle measure in a triangle. His work is shown. What is Gabe's error?

Ronald and Tim both did their laundry today. Ronald does laundry every 6 days and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day again?