Answer:
x^2 =5
Step-by-step explanation:
Answer: -a+1
Step-by-step explanation:
-4a+8+3a-9
=-4a+3a+8-9
=(-4a+3a)+(8-9)
=-a+1
Hope this helps!! :)
Your answer should be 81 for a. I got this result by multiplying 9 by 9.
62 multiplied by 3 is 186
Add on 31 for the half hour
and you get 217
