What is the slope of the line passing through the points (7, 8) and (-3, 13)?

What are “like terms”? why can we only add like terms?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?