Answer is A.
You can find the answer by plugging in X and Y to the equations
Answer:

Step-by-step explanation:
120 degrees is one third of the whole circle, or 
276.46 is the surface area of the cylinder
Point-Slope:
y+16=-1/26*(x-19)
Finding the regular slope:
m=1/-26=0.03846
Answer:
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Step-by-step explanation:
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