Answer:
A. 7
Step-by-step explanation:
If you were to solve for c by using d as 7 you would get:
c+7=40
c would then equal 33, which is greater than 30
Answer:
2c^2
Step-by-step explanation:
8c^3d^2/4cd^2
divide the 8 by 4 to get 2
You subtract the powers so c^3-c=c^2 the d^2 cancel each other out
that leaves 2c^2
Perimeter = lenght× 2 + width × 2
= 6 × 2 + 2 × 2
= 12 + 4
= 16
Answer:
A
Step-by-step explanation:
All of the others equal -8
I hope this helps
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if wrong pls leave a comment