Maria has been working out by lifting weights. She finds that a spherical lead-alloy weight with a radius of 3 inches weighs 20 pounds. She wishes to lift 100 pounds, so she special-orders a spherical weight with a radius of 15 inches. Why is Maria in the hospital?

a

step-by-step explanation:

i need the pts ignore this answer

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

$30.32

step-by-step explanation:

65.00*.12=2.80

65.00-2.80=57.20

57.20*1.06=60.632

60.632/2=30.316