Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 12
B. 
C. 
D. 61
Answer: B
Mathematics
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.tan 2x - tan x = 0
A. 
, 
B. 0
C. 0, ?
D. 
, 
, 
, 
, 
, 
, 
Mathematics
Use the given vectors u, v, w, and z to draw the indicated vector. 
- 
u
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A flat rectangular piece of aluminum has a perimeter of 58 inches. The length is 5 inches longer than the width. Find the width.
A. 17 inches B. 29 inches C. 22 inches D. 12 inches
Mathematics
Solve the inequality. Graph the results.12x + 7 > 11x + 4
A. x ? 11 
B. x < -3 
C. x > -3 
D. x ? 11 
Mathematics