Solve the problem.Mary finds 8 fish at a pet store that she would like to buy, but she can afford only 5 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 3360; 420
B. 56; 35
C. 336; 210
D. 6720; 840
Answer: B
Mathematics
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Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 75°
A. - 
B. - 
C. 
D. 
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?Find the first six terms of the power series representing independent solutions of the differential equation
.
?
A. ?
, where
and
are arbitrary constants
B. ?
, where and are arbitrary constants
C. ?
, where and are arbitrary constants
D. ?
, where and are arbitrary constants
E. ?
, where and are arbitrary constants
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If possible, evaluate the expression at the given value of the variable.
, x = -6
A. 0
B. - 
C. 
D. Undefined
Mathematics