Answer:
1 and 2
Step-by-step explanation:
I hope this helps you out!
First, move 9x^2 to the right:
7y^2 = 42 - 9x^2
Then, divide 7 on both sides:
y^2 = 6 - 9/7 * x^2
In the equation for surface area the radius is squared ( r^2)
If the radius is doubled, the radius would be 2^2 more which equals 4
The surface area would be 4 times the old surface area.
Answer:
78
Step-by-step explanation:
Elaine's piece is bigger because when you look at the tenths place, you can see that 1 is bigger than 0.