1. 8a+a^2-10
2. v-6w
3. -2c^2+4c
4. z^3+8z^2+5z+7
Answer:

Step-by-step explanation:
To find the
we must use the cosine theorem.
The cosine theorem says that:

In this case:



So




Answer:
First 3 boxes down are Vertical, Complementary, Supplementary
. Second 3 Boxes Down Are add up to 90 degrees, add up to 180 degrees, and are congruent.
I hope this helps :)
Your answer is A Since Z is width and W is height