A car manufacturer advertises that it's new car model goes from 0 to 80 miles per hour in 5 seconds based on a test drive. During the first 5 seconds of the test drive, was the car's speed ever exactly 45 miles per hour? Why or why not?

step-by-step explanation:

yes

i'm not entirely sure

step-by-step explanation:

if you ask home depot or lowe's they might be able to you out

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

i got 10.28 but that rounds up to 10.3