If x+3=7.5, calculate the value of x^2+3x−7.
PLEASE HELPPP, im failing this class!

x+3=7.5

x=7.5-3

x=4.5

x²+3x-7

=4.5²+3(4.5)-7

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.

the barter