Evaluate the expression for m = -10 and n = 7.
mn + m + n =

-73

Step-by-step explanation:

You plug the numbers in

(-10)(7)+(-10)+(7)

(-70)-10+7

-73

Step-by-step explanation:

m=-10 ,n=7

mn+m+n

=-10×7+(-10)+7

=-70-10+7

=-80+7

=-73

(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