Answer:

Explanation:
[ Step One ] Remove Parenthesis: (a) = a

[ Step Two ] Multiply: 

[ Step Three ] Apply Exponent Rule 

[ Step Four ] Apply Exponent Rule: 

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Kayla wrote an equation.
William wrote an inequality.
They both have solutions.
Kayla's solution is x=4 .
William's solution is x > -2.5 .
Brandon and Alice wrote expressions.
Those are just numbers, that depend on the value of 'x'.
Answer:
Twice the length of the radius
Step-by-step explanation:
A radius by definition is half of the diameter which means the diameter is twice the radius.
As we can observe from given information,
now, let's solve for y
hope it helped...
Answer:
-1
Step-by-step explanation: