Answer:
75
Step-by-step explanation:
add all of the numbers together and devide by 6.
(x-9)(x+7)=0
x-9=0 or x+7=0
x=9 or x=-7
:)
I'm pretty sure it would be y=2x+9
Elaine's piece is bigger because when you look at the tenths place, you can see that 1 is bigger than 0.