Answer: D. (-4, -2)
<u>Step-by-step explanation:</u>
Rotating 180° about the origin means the signs for the x- and y-values are opposite.
(x, y) → (-x, -y)
(4, 2) → (-4, -2)
I think it is 90
Hope this help you?!
Answer:

Step-by-step explanation:
If each whales weighed

Then 30 whales weighed



Applying the law of indices we obtain


The pentagon is the one with 5 sides. Good Luck!
Answer:
x=8 or -8
Step-by-step explanation:
64 squared = 8 or -8
8x8=64
-8x-8 = 64