Write an equation for the line (1,2) and (3,-4)

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

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 between 80 and 120.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 between 80 and 120.

What is the area of the trapezoid shown