A dust storm sweeps across the prairie. It covers 75,478 acres of the prairie in dust, but leaves 51,350 acres untouched. How many acres does the prairie cover?

Irene bought 3 yards of fabric and a spool of thread for $28.10. if the spool of thread cost $1.25, how much did the fabric cost per yard?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table