A line has a slope of -10 and includes the points (-9, a) and (-10, 9). What is the value of a? a =

the square root of what number? if you add that, then someone will probably answer the question.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

im pretty sure it would be 5 am, hope that , and give brainliest and guys if this is right then press the button and give 5 stars