Y=12 because the triangles have proportional side lengths
Answer:
See below
Step-by-step explanation:
Given polynomial is: 
a. Terms:
b. 17 and - 1
c. Binomial or quadratic polynomial
Answer:
x=9, y=3
Step-by-step explanation:
-4x+6y=-18
y=-2x+21
-4x+6(-2x+21)=-18
-4x-12x+126=-18
144=16x
x=9
y=-2x+21
y=-18+21
y=3
Answer:
48:36 64:48 60:80
Step-by-step explanation: