Solve.For a fixed amount of principal, the simple interest varies jointly with the rate and the time. If the simple interest is $1750 when the rate is 5% and the time is 7 years, find the simple interest when the rate is 6% and the time is 10 years.
A. $6000
B. $300
C. $3300
D. $3000
Answer: D
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 3x - x2 and y = x about the y-axis
A. 2?
B. 
?
C. 
?
D. 4?
Write the numbers in numerical order, smallest to largest.
, - 
, - 
, 
, -2
A. -2, - 
, - 
, 
, 
B. - 
, - 
, -2, 
, 
C. 
, -2, 
, - 
, - 
D. - 
, - 
, -2, 
, 
Solve the problem.A closed box with a square base has to have a volume of 11,000 cubic inches. Find a function for the surface area of the box.
A. S(x) = x2 + 
B. S(x) = 2x2 + 
C. S(x) = 2x2 + 
D. S(x) = 2x2 + 
Solve triangle ABC. If necessary, round the answer to the nearest tenth.A = 70°, B = 20°, a = 5 meters
A. C = 90°, b = 5.3 m, c = 1.8 m B. C = 90°, b = 1.8 m, c = 5.3 m C. C = 90°, b = 5.3 m, c = 0.8 m D. C = 90°, b = 2.8 m, c = 5.3 m