Find all values of ? in [0, 360°) for which the following is true.cos ? = 
A. 150° and 210°
B. 60° and 300°
C. 60° and 120°
D. 210° and 330°
Answer: B
Mathematics
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Determine the total turn for the closed curve. Assign a positive measure to counterclockwise turning.
A. -360° B. 720° C. 0° D. -720°
Mathematics
Factor.15z2 - 14zy - 8y2
A. (3z - 4y)(5z + 2y) B. (15z - 4y)(z + 2y) C. (3z + 4y)(5z - 2y) D. (15z + y)(z - 8y)
Mathematics
Find the area under the graph of y = 
? 4x over the interval [?2, 0] .
What will be an ideal response?
Mathematics
Solve the equation.6x + 3 = 2x - 9
A. 3
B. - 
C. -3
D. -12
Mathematics