Answer:
We just have to solve each power.

Remember, to solve a power, we just need to multiply its base as many times indicates its exponent.
It's important to know that the negative exponent indicates a position, that's why in the second exercise we needed to change the position of the power to continue.
Answer:
29 square = 20 square+ b square
b= 21
I’m not sure what the answer is Um but maybe if u look on google and other websites
Answer:
The angle of ∠ABE is 40°.
Step-by-step explanation:
Given that ∠ABE and ∠CBD are opposite vertical angles so they have the same measure of angles.
Because ∠ABE and ∠CBD are vertical angles, ∠ABE = ∠CBD = 40°.
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Answer:
C.
Step-by-step explanation:
The volume should be 5x^3.
The length is 5x and the width is x so the length is 5 times the width.