Solve the problem.If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 
, what are the odds against a direct hit?
A. 3 : 1
B. 2 : 1
C. 1: 4
D. 4 : 1
Answer: A
Mathematics
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Evaluate the integral.
A. e1/2 - 1
B. 5e?/6
C. 
?
D. 5e?/6 - 5
Mathematics
Use the horizontal line test to determine whether the function is one-to-one. 
A. Yes B. No
Mathematics
Solve the problem.The amount of particulate matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for n = 0 and 
(Round to the nearest whole number.)
A. 700; 22 B. 700; 11,200 C. 1400; 44 D. 700; 44
Mathematics
Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.2, 8, 14, 20, 26, . . .
A. an = 4n - 2; a20 = 78 B. an = 6n - 2; a20 = 118 C. an = 4n - 6; a20 = 74 D. an = 6n - 4; a20 = 116
Mathematics