Answer:
Combine like terms
4r+2=-2
Subtract 2 from both sides
4r=-4
Divide 4 by from both sides
r=-1
Answer:
SA =588 m^2
Step-by-step explanation:
SA = 4 pi r^2
R = 7 and pi =3
SA = 4*3 * 7^2
SA =588 m^2
Answer:
5
Step-by-step explanation:
if you add the tip it is 5 dollars
It’s means the average. Combine all numbers then divide by the total numbers you have.
Answer:
90
Step-by-step explanation:
= 6(12+3)
= 6*12 + 6*3
= 72 + 18
= 90
