Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 7x
Answer: B
Mathematics
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Write the number as an improper fraction.17
A. 
B. 39
C. 374
D. 
Mathematics
Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xA B
C D
A. 1A, 2D, 3C, 4B B. 1C, 2A, 3B, 4D C. 1B, 2D, 3C, 4A D. 1A, 2B, 3C, 4D
Mathematics
Solve.There are 11 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?
A. 1,331 B. 165 C. 990 D. 39,916,800
Mathematics
Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 16 B. (x - 3)2 + (y + 2)2 = 4 C. (x + 3)2 + (y - 2)2 = 4 D. (x - 3)2 + (y + 2)2 = 16
Mathematics