Add or subtract. Simplify radicals where necessary.
+ 9
- 9
A. 59
B. -50
C. -38
D. 38
Answer: C
Mathematics
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Rationalize the denominator.
A. 
B. 
C. 14
D.
 ? |
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Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(0, -9); Find cos ?.
A. 0 B. 9 C. 1 D. -9
Mathematics
Rewrite the expression in the form A sin(x + C).2 sin x + 2
cos x
A. 2 sin 
B. 4 sin 
C. 4 sin 
D. 2 sin 
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Identify the vertex and axis of symmetry for the parabola.
A. (3, -5); y = -5 B. (3, -5); x = -5 C. (3, -5); x = 3 D. (-5, 3); x = 3
Mathematics