Rationalize the denominator.
A. 
- 
B. 
C. 
D. 
Answer: D
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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?.2 cos 2x = 
A. No solution
B. 
, 
, 
, 
C. 0, 
, ?, 
D. 
, 
, 
, 
Solve the problem.Use the following table, which shows the average price for a new beverage that is served at a coffee chain. Let the 10 selected regions represent the universal set. Use the list to represent the set in 
form.
{x|x is a region in which the average price of the new beverage is at least $6.00}
A. {A, B} B. {A, B, C, D} C. {A, B, C} D. {D, E, F, G, H, K, L}
Translate to an equation, then solve.The sum of fifteen and four times x is the same as the difference of three times x and seven.
A. 15 + 4x = 3x - 7, x = -22 B. 15 - 4x = 7 - 3x, x = 8 C. 15 + 4x = 7 - 3x, x = -1 D. 15 + 4x = 3x - 7, x = 8
Find the missing parts of the triangle. A = 44.29°a = 51.82 ydb = 63.64 ydIf necessary, round angles and side lengths to the nearest hundredth.
A. no such triangle B. B1 = 59.04°, C1 = 76.67°, c1 = 72.21 yd B2 = 120.96°, C2 = 14.75°, c2 = 18.89 yd C. B = 59.04°, C = 76.67°, c = 72.21 yd D. B1 = 76.67°, C1 = 59.04°, c1 = 72.21 yd B2 = 14.75°, C2 = 120.96°, c2 = 18.89 yd