Ok so for number 5, AB is proportional to BC just like PQ is proportional to QR. AB = 9, BC = 15, PQ = 3, and QR = x. 9/15 = 3/x. Cross Multiply: This gives you - 9x = 45. Divide both sides by 9, and you get x = 5. QR = 5
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Y=2x or y=x+2 If you plug in the ordered pairs for both, they fit.
............ ........... .
Answer:
B
Step-by-step explanation:

Radius= diameter ÷2
r= 32 ÷2
r= 16

Substitute r= 16,


Divide the denominator and numerator by 128:

Thus, the answer is B.