follow these steps:
1) y-4=7x^2
2) (y-4)/7 = x^2

so you must inverse x and y names:

Answer:
Angle A = Angle Y
Angle B = Angle Z
Angle C = Angle X
AB = YZ
AC = YX
BC = ZX
Triangle ABC = Triangle YZX
Step-by-step explanation:
Find this by looking at the corresponding parts on the other triangle. They have the same marking on them. Make sure that when answering for segments or triangles that the order is the same on both sides.
Answer:
B: supplementary because they add up to 180 degrees
50/2.5=
20
Unit rate is 20 miles per gallon