The area of a trapezoid is given by the formula A=h/2 (a+b) where h is the height of the trapezoid and a and b are the lengths of the two parallel sides. Solve the formula for a.

There are 4 cups in a quart and 4 quarts in a ganon.jug of water? . how many cups are in a 5-gallon jug of water?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed