Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If $70 is deposited every four weeks into an account paying 6% interest, approximate the amount in the account after 15 years.
A. $9013.19
B. $29,423.33
C. $315.15
D. $22,060.15
Answer: D
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What is the surface area of a spherical planet with diameter 2,000 miles? ?
A. ?400,000? square miles B. ?4,000,000? square miles C. 4,000?? mi2 D. ?4,000,000 square miles E. ?4,000,000? square miles
Solve the problem.Let D be the smaller cap cut from a solid ball of radius 8 units by a plane 7 units from the center of the sphere. Set up the triple integral for the volume of D in spherical coordinates.
A. 
B. 
C. 
D. 
Write with radicals. Assume that all variables represent positive real numbers.(5py2)1/3
A. 
B. 
C. 
D. 
Candidate A was one of four candidate in an election. Of 28,405 votes cast, 4,840 were for Candidate A. What angle of a circle would show the percent of votes not cast for Candidate A?Round your answer to the nearest tenth.
A. 305.9o B. 300.3o C. 307.2o D. 152.9o E. 298.7o