A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(- 
, 
)Find cos ?.
A. - 
B. - 
C. 
D. 
Answer: A
Mathematics
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Translate to an equation and solve. What percent of 742 is 906?Round your answer to the nearest tenth of a percent.
A. 0.1% B. 1.2% C. 122.1% D. 81.9%
Mathematics
Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 15.0 L B. 24 L C. 20.0 L D. 30 L
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + 16y2 = 64
A. x-axis B. y-axis C. origin D. x-axis, y-axis, origin E. none
Mathematics
Write the equation of the line.
A. y = -7 B. y = 3 C. x = 3 D. x = -7
Mathematics