Brainliest question please help me now plz

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

What multiplys to be 1 but adds up to be 4

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?