I hope this helps. I couldn't put all the pictures in at once, so I turned it horizontally. Please understand that.
The answer is 93. its very simple to round well mosly for me cause im smart
Answer:
x = 6 and x = -7
Step-by-step explanation:
(x - 6)(x + 7) = 0
x - 6 = 0
x = 6
and
x + 7 = 0
x = -7
Answer:
7 and 1/2
Step-by-step explanation:
I have used an Online Algebra calculator to check my answer and this is for sure the correct answer.
That would be first option since he did use the inverse of subtraction and added 4.5.
Insha's work is incorrectly because -4.5 + (-4.5) will not cancel each other out. It's supposed to be -9, then she should add 9 to cancel -9 out and she would have gotten 3.
Final answer: A
Hope this is clear.