PLEASE HELP!! The length of a shirt shrinks from 30 inches to 27 inches. what is the percent of shrinkage (decrease)?

How to determine whether two known pairs of points are on the same line.

Find the roots of the equation below. x^2 - 6 + 9 = 0

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.