Use the half-angle formulas to simplify the given expression.
A. 
cos 2x
B. 3 cos 2x
C. 6 cos 2x
D. 3
cos 2x
Answer: D
Mathematics
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Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.m2n2 + 7mn + 12
A. (mn + 4)(mn - 3) B. (mn + 4)(mn + 3) C. (mn - 4)(mn + 3) D. (m + 4)(n + 3)
Mathematics
Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices. Life Health AutoM = 
J = 
Find the matrix that would give total sales.
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the equation.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Graph the line containing the point P and having slope m.P = (0, 2); m = - 
A. 
B. 
C. 
D. 
Mathematics