A care care company sells 45in. Upholstery fabric for car restoration. Art bought 7 1/4 yd and 12 9/10 yd for two car projects. How many yards did art buy?

What is the solution for 6 - 7/8? explain the steps.

20 ! brainliest ! add and simplify your answer.

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.