Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find cos (2?).
A. 
B. 
C. 
D. - 
Answer: B
Mathematics
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Solve.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 34 hotdogs B. 45 hotdogs C. 33 hotdogs D. 22 hotdogs
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.-4
- 8
A. -44
B. -12
C. -36
D. 44
Mathematics
Find the dot product v ? w.v = 2i + j + 3k and w = i + 2j - 3k
A. 5 B. -5 C. -9 D. -16
Mathematics
Using the model, what is the projected value of y when x = 70? Why does this differ from the value in the table?
 figure 1.png)
Mathematics