Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Answer: C
Mathematics
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Multiply.7a ? 9a2
A. 7a + 9a2 B. 63a4 C. 63a3 D. 16a3
Mathematics
Find the least common multiple of the given number by the method of intersection of sets of multiples.48, 162, and 27
A. 648 B. 324 C. 432 D. 1296
Mathematics
Find the center and radius of the circle with the given equation. (x - 4)2 + y2 = 16
A. Center (0, 4), r = 16 B. Center (0, 4), r = 4 C. Center (4, 0), r = 16 D. Center (4, 0), r = 4
Mathematics
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
Mathematics