Sue uses 3.75 meters of string to tie balloons. she has 25 balloons to tie. how much string does she need

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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?

What is the range of the inverse of the given function f(x)=√x-2