The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 10 sin ?
A. x2 + y2 = 10x
B. 
= 10y
C. 
= 10x
D. x2 + y2 = 10y
Answer: D
Mathematics
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Solve the problem.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula 
How far can you see from the top of a 
building? (Round to the nearest tenth of a kilometer.)
A. 71 km B. 20.3 km C. 768.9 km D. 37.9 km
Mathematics
Write the described ratio in fractional notation in lowest terms.Find the ratio of the width to the perimeter of the rectangular swimming pool sketched below.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the ordered pair is a solution of the given inequality.(-1, 4); 3x - 6y ? 3
A. Yes B. No
Mathematics
Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics