20+x = 12+2x is the answer and x=8
Correct answer is C..................
It would take 24 mins to drive 28 miles going 70mph
Answer:
20x²+180x + 405
Step-by-step explanation:
Follow PEMDAS to know what you do first
square (2x + 9) by foiling
(2x+9) (2x + 9)
= 4x²+ 36x + 81
Multiply by 5
20x²+180x + 405
I have done the segment 1 pratice exam