Factor out the greatest common factor.3x2y5 + 18x2y4
A. 3x4y2(y + 6)
B. x2y4(3y + 6)
C. 3x2y4(y + 6)
D. y + 6
Answer: C
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Solve the problem.Find the area of the "triangular" region in the first quadrant that is bounded above by the curve 
, below by the curve y = ex, and on the right by the line x = ln 2.
A. 
B. 2 ln 2
C. 
D. 2
Prove the identity.4 csc 2x = 2 csc2 x tan x
What will be an ideal response?
Change the logarithmic expression to an equivalent expression involving an exponent.log1/5125 = -3
A. (-3)1/5 = 125
B. 
-3 = 125
C. 
3 = 125
D. 1251/5 = 3
Solve the problem.A guy wire to a tower makes a 65° angle with level ground. At a point 38 ft farther from the tower than the wire but on the same side as the base of the wire, the angle of elevation to the top of the tower is 
Find the length of the wire (to the nearest foot).
A. 33 feet B. 38 feet C. 71 feet D. 66 feet