D.
Kelly got 3^3 (27) while Alia got 4^2 (16) less than her. When you put it together you get 3^3 - 4^2
I am so so so sorry I do not know the answer but I might later in the shool year
Answer:
x=21.
Step-by-step explanation:
First you distribute 3 to the parenthesis. You should get 3x-21=42 at this point. Then you add 21 to 42 to get 63. Here you should be at 3x=63. Divide 63 by 3 to get x=3
In math it means to make a problem easier to work with
The answer is C. Opposite sides have the exact same slope, and the shape is a quadrilateral.
