Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a tent having the shape of a rectangular solid of length 15 ft, width 15 ft, and height 7 ft topped by a rectangular pyramid of the same width and length with height 4 ft.
A. 600.0 ft3
B. 300.0 ft3
C. 1875.0 ft3
D. 3150.0 ft3
Answer: C
Mathematics
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Solve the problem.At the end of the day, a storekeeper had $1560 in the cash register, counting both the sale of goods and the sales tax of 4%. Find the amount that is the tax.
A. $55 B. $50 C. $65 D. $60
Mathematics
Find the slope of the polar curve at the indicated point.r = 4 cos ? - 5 sin ?, ? = 
A. 
B. - 
C. - 
D. 
Mathematics
In the following exercise, assume straight-line appreciation. ? An apartment building was purchased for $500,000, excluding the cost of land. The owners expect the property to double in value in 20 years. Find the appreciation equation. ?
A. 
B. ?
C. ?
D. ?
E. none of these
Mathematics
Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics