Answer:
i belive that x= -7
Step-by-step explanation:
.......
The answer is C
Subtract 2x^2+55x+10 - (2x^2 -15x-40)
70x+50
Then put in 240 for x
You get 16850
The answer is C
Answer:
3/4
Step-by-step explanation:
We can find the slope using two points
( 0,-5) and ( 4,-2)
The slope is given by
m = ( y2-y1)/(x2-x1)
= ( -2- -5)/( 4-0)
= (-2+5)/(4-0)
=3/4
He can predict that 280 student will buy lunch each Friday.
3ab * 2ac = 6a^2bc
3ab * 3bc = 9ab^2c
= 6a^2bc + 9ab^2c
So the answer is D