Solve.A bookstore determines the retail price by marking up the wholesale price 25%. The retail price of a physics book is $114.75. What was the wholesale price?
A. $66.80
B. $91.80
C. $86.06
D. $143.44
Answer: B
Mathematics
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Find the slope of the polar curve at the indicated point.r = 
, ? = 3?
A. 3? B. 0 C. -3? D. Undefined
Mathematics
Find the divergence of the field F.F = -8x9i - 2y9j + 5z9k
A. -8x8 - 2y8 + 5z8 B. -72x8 - 18y8 + 45z8 C. 0 D. -45
Mathematics
Solve the problem.In a certain year, world gold production was about 2400 metric tonnes and the United States produced 9 percent of that amount. How many pounds of gold did the United States produce? Round to the nearest pound.
A. 5,333,333 lb B. 388,800 lb C. 240 lb D. 480,000 lb
Mathematics
Multiply. Simplify, if necessary.
? 
A. 
B. 54
C. 
D. 
Mathematics