Use the given information to find the exact value of the trigonometric expression.sin ? = 
; 0 < ? < 
Find cos(2?).
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Use Jefferson's method to find the apportionment.The table below gives the populations of four districts A, B, C, and D, among which a total of 60 seats are to be apportioned.
How many seats does district A receive using Jefferson's method?
A. 26 B. 28 C. 27 D. 29
Mathematics
Round the number to the nearest ten, nearest hundred, and nearest thousand.3257
A.
| Ten | 3250 |
| Hundred | 3200 |
| Thousand | 4000 |
B.
| Ten | 3000 |
| Hundred | 3300 |
| Thousand | 3000 |
C.
| Ten | 3260 |
| Hundred | 3200 |
| Thousand | 3000 |
D.
| Ten | 3260 |
| Hundred | 3300 |
| Thousand | 3000 |
Mathematics
Solve the problem.If a fair coin is tossed twice, the probability that at least one of the tosses will come up heads is
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Mathematics
Solve the equation.9n - 6 = 84
A. n = 85 B. n = 15 C. n = 10 D. n = 81
Mathematics