Answer:
we conclude that:

Step-by-step explanation:
Given
The expression is
To determine
Simplify the expression
Simplifying the expression

Apply the exponent rule: 

Subtract the numbers: 

Therefore, we conclude that:

Answer:
Step-by-step explanation:
It’s 5 since you’d use Pythagorean theorem
Answer:
72
Step-by-step explanation:
A=a+b/2*hA=12
A=12*12/2
Hoped this helped! :)
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72