For the given rectangular equation, write an equivalent polar equation.y = 10
A. r = 10 cos ?
B. r = 10 sin ?
C. r = 10 csc ?
D. r = 10 sec ?
Answer: C
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Find an equation of the inverse relation.x3y = -9
A. y3 = -9
B. x3 = 
C. y3x = -9
D. 
= -9
Solve.In a practice run, a race car driver's speed is clocked at 135.875 mph at the end of her first lap, and at 175.059 mph at the end of the next lap. How much faster was she driving at the end of the second lap?
A. 39.084 mph B. 39.194 mph C. 39.184 mph D. 40.184 mph
Solve the problem.It requires 2
cups of concentrate per quart of water to make a certain juice. How many cups are needed to make 14
quarts of juice?
A. 145 cups
B. 36
cups
C. 5
cups
D. 72
cups
Solve the problem.The number of books in a small library increases according to the function B = 7200e0.02t, where t is measured in years. How many books will the library have after 5 years?
A. 16,579 B. 7957 C. 7200 D. 9064