Multiply and, if possible, simplify.
? 
A. 21
B. 5
C. 105
D. 21
Answer: B
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = sec x, y = tan x, x = 0, x = 
A. 
B. 
C. 
D. 
Provide an appropriate response. Solve the given problem: Sue does informal house decorating. She can wallpaper a typical room in 5 hours. She sometimes takes her friend Sandy with her. Sandy can wallpaper the same size room in 8 hours. Together how long would it take them to wallpaper a typical room?
A. 
hours
B. 1 hours
C. 
hours
D. 5 hours
Simplify the expression. Assume that variables represent nonzero numbers.(x5y8)2
A. x10y16 B. x5y16 C. x10y8 D. x7y10
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = 
A. f(x) = -
, g(x) = 9x + 3
B. f(x) = 
, g(x) = 9x + 3
C. f(x) = x, g(x) = 9x + 3
D. f(x) = 
, g(x) = 9x - 3