The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10

Can you divide 25 into 4 equal groups? explain why or why not.

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.

Plzz ! need the answer asap! 7% of 980