If you see that 3x-3 and set it equal to x+7 then you will get this,
3x-3=x+7
Now solve for X. You will get 5.
Then you plug five in and get 12 For both sides and then multiply 12 by 4 and get 48.
You answer is 48.
Hope this helps you.
When b = 1 a^3 - b^2 = 3^3 - 1^2 = 26.
Answer:
-18 x 4 = -72
Step-by-step explanation:
a negative times a positive is a negative number.
Answer: 11, 7
11 + 7 = 18
11 x 7 = 77
To answer this question you would need to know the formula for the area of a circle,

. You would start by squaring 400, getting 160,000. You would then multiply 160,000 by 3.14, getting 502,400 meters squared as your answer.