The formula for surface area is SA=4pi(radius)^2
This means that 4SA=4pi(2r)^2
because 2^2=4
so multiply the first ball's surface area by 4
the answer is c
Answer:
1. 5
2. 8
Step-by-step explanation:
3x2+8x-10 // the answer is 8x
The correct answer is 1.414 or 1
Associative property is when you move the grouping symbols: ( and )
So the answer is B.