5-2x+5=12
-2x+10=12
-10 -10
-2x=2
x=-1
1) simplify 2^3 to 8
8+3^2-10
2) simplify 3^2 to 9
8+9-10
3) simplify 8+9 to 17
17-10
4) simplify
7
Answer: 7
Answer:
1. 75
Step-by-step explanation:
take boths numbers add them up then divide but by 2
V=3.14 5^2x15-3.14x2^2x15
=3.14x15(5^2-2^2) <—21
≈989. 601685
≈989.1 <—(3.14)