Since she spent $9.72 and deposited $9.72 her bank balance did not change at all. She basically paid off how much she spent on lunch on Wednesday.
The dimensions of the base of Box 1 are x by 3x.
The base area of Box 1 is:
3x^2
Using the equation P=a+b+c , you just need to plug in.
4a-2b + 7a-3 + 9a - 4
Combine like terms.
20a-2b-7
Very true. A triangle consists of three sides so think of how u could make a triangle with those three lines
You would divide 2 by 2 and 8 by 2
So your answer would be 1/4
