Find the exact value by using a half-angle identity.cos 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Use the slope-intercept form to graph the equation.6y = 7x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose you are offered a job with a starting salary of 
per year and a guaranteed raise of 
per year. How much money will you make in total over the first 20 years?
A. $960,000
B. 
C. $65,500
D. $1,124,600
Mathematics
Subtract.
- 
A. - 
B. 
C. - 
D. 
Mathematics
For the given functions f and g, find (f ? g)(x).f(x) = 3x + 4, g(x) = 9x + 7
A. 27x2 + 57x + 28 B. 27x2 + 28 C. 27x2 + 43x + 28 D. 12x2 + 57x + 11
Mathematics