Answer:
8. -3, 16
9. -3, 4.5
Step-by-step explanation:
See attached worksheet.
Answer:
B is correct
Step-by-step explanation:
-(-x) = x, because a double negative like this equals a positive.
Therefore, you are actually saying -x+x= 0 which is true.
The top part of the shape is 8x6 and the bottom part is 6x6 so the answer is 84