Answer:
store C is the best with .122 per ounce the others are .129 and .135
We have a point and a slope, so let's use the point slope formula!

where
x1=4
y1=2
and m=3
Answer:
if x=ky, where k is constant.
value of x
45/3=k3/3
15=k, constant is 15
value of x when y =6
x=ky
x=15(6)
x=80
me at 1:36pm: oh no, i hope he got his answer