Question
Simplify: (2ay? + 5y3) – (-823 – 11a’y) + (-10a’y – ay?).

If 20% of a number is 35, what is 50% of that number?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area