CR = CP = 17
PQ = QR = 15
CQ = x^2 +15^2 = 17^2 = x^2 + 225 = 289
x^2 = 289-225 = 64, sqrt(64) = 8, CQ = 8
Answer:
y=2x+5
y=-1.5x+9
3y=-2x+10
Step-by-step explanation:
2x+y=5
9-y=1.5x
-y=1.5-9
y=-1.5x-9
2x=-3y+10