Abox contains 20 lightbulbs, of which 5 are defective.
if 4 lightbulbs are picked from the box randomly, the probability that at most 2 of them are defective is
a.31/969
b.70/323
c.91/323
d.938/969

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.