Find the reciprocal.
A. 8(a - b)
B. 
- 
C. 
D. 
Answer: D
Mathematics
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Solve.A plane flies 460 miles with the wind and 300 miles against the wind in the same length of time. If the speed of the wind is 24 mph, what is the speed of the plane in still air?
A. 139 mph B. 104 mph C. 119 mph D. 114 mph
Mathematics
Perform the indicated operations and simplify the result so there are no quotients.csc ?(sin ? + cos ?)
A. -2 tan2? B. sin ? tan ? C. 1 + cot ? D. sec ? csc ?
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 
A. f(x) = 
, g(x) = 
B. f(x) = 
, g(x) = 
C. f(x) = 
, g(x) = 
D. f(x) = 
, g(x) = 
Mathematics
Solve the equation by completing the square.z2 + 12z + 18 = 0
A. 
B. 
C. 
D. 
Mathematics