Martin earned the following scores on his last five tests.

98, 78, 84, 75, 91

what is the interquartile range of his scores?

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with