Evaluate the expression without using a calculator.(-243)1/5
A. 243
B. 81
C. -27
D. -3
Answer: D
Mathematics
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Use the fundamental identities to simplify the expression.tan2? csc2?
A. sec2? B. sin ? C. cos3? D. tan2?
Mathematics
Solve the problem.If f varies jointly as q2 and h, and f = 64 when q = 4 and h = 2, find k.
A. k = 48 B. k = 2 C. k = 4 D. k = 6
Mathematics
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. 
b = 2, B = 25°; Find a, c, and A.
A. a = 4.29 c = 5.73 A = 75° B. a = 4.29 c = 4.73 A = 65° C. a = 4.29 c = 5.73 A = 65° D. a = 4.29 c = 4.73 A = 75°
Mathematics
Find the difference and simplify the answer. 
- 
A. 
B. 
C. 
D. 
Mathematics