Graph the curve whose parametric equations are given.x = 2 tan t, y = 4 sec t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Assume that the probability that an airplane engine will fail a test is 
and that the aircraft in question has 4 engines. What is the probability that no engines will survive the test?
?
A.
B.
C.
D.
Mathematics
Convert to radical notation and simplify.2434/5
A. 81 B. 2187 C. 6561 D. 19,683
Mathematics
Decide whether the expression has been simplified correctly.(x6)2 = x8
A. Not simplified correctly B. Simplified correctly
Mathematics
Evaluate.P(6, 2)
A. 120 B. 30 C. 6 D. 1
Mathematics