What is −28r = 4r^2 quick please

r = -8

Step-by-step explanation: Evaluate the power, which is 16.

Now this gives you -2r = 16

Divide both sides by -2 and you get your answer r = -8

(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

answer: chelsea has 55 brushes

step-by-step explanation:

5 x 11 = 55

5 + 55 = 60