Find the amount or rate of discount and the sale price. Round money amounts to the nearest cent.Original price: $151 Rate of discount: 10%
A. $15.10, $135.90
B. $7.55, $143.45
C. $16.61, $134.39
D. $13.59, $137.41
Answer: A
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Solve.The annual depreciation rate r (0 < r < 1) of a car purchased for P dollars and worth A dollars after t years can be modeled by the following formula: 
Find the depreciated value of a car 5 years after it is purchased new for $30,000 if the depreciation rate is 21%. Round your answer to the nearest dollar.
A. $23,700 B. $9231 C. $12 D. $6300
Perform the indicated division or state that the expression is undefined.-210 ÷ 7
A. -40
B. 30
C. - 
D. -30
Find the volume of the indicated region.The region bounded below by the xy-plane, laterally by the cylinder 
and above by the plane 
A. 49?
B. 
?
C. 7?
D. 
?
Solve the problem.A blimp is 1800 meters high in the air and measures the angles of depression to two stadiums to the west of the blimp. If those measurements are 65.8° and 23.2°, how far apart are the two stadiums to the nearest meter?
A. 3391 m B. 5009 m C. 2433 m D. 2596 m