Answer:
(r-7) ÷ (6+?)
Step-by-step explanation:
I don't know what the last number is
10x^7-5x^6+15x^3
Distribute the 5x^3 to all the terms
87.48
First find the area of the square
12^2=144
find area of the 2 circles
9*3.14
but theres 2
18*3.14=56.52
144-56.52=87.48
