Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos 2? = - 
, 
< 2? < ?Find sin ?.
A. - 
B. - 
C. 
D. 
Answer: D
Mathematics
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Find the intersection.-2x + 7y = -8, 2y + 2z = 6
A. x = 14t - 58, y = 4t + 6, z = -4t
B. x = 14t + 
, y = 4t + 3, z = -4t
C. x = 14t - 
, y = 4t - 3, z = 4t
D. x = 14t + 
, y = 4t + 3, z = -4
Mathematics
Use the circle graph to solve the problem.A survey of the 5370 vehicles on the campus of State University yielded the following circle graph.
Find the number of pickups. Round your result to the nearest whole number.
A. 4028 B. 1343 C. 1611 D. 25
Mathematics
Find the difference.
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics