Answer:
1 = 40
2 = 140
3 = 40
4 = 140
5 = 40
6 = 140
7 = 40
Step-by-step explanation:
A straight line is 180 so I did 40 because 140 + 40 = 180. once I figured 3 out I basically had the rest.
Answer: x^2 + 6x + 9
first, you square everything.
x^2 + 2x x 3 + 3^2
then, you calculate/evaluate.
x^2 + 6x + 9
x= 3,-5
hope this helps
A C D
The answer is 8 9/10