Solve the system of equations using the elimination method.
A. (3, 2)
B. (2, 3)
C. All ordered pairs along 2x - y = 4
D. No solution
Answer: A
Mathematics
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Find the indicated derivative. Assume that x is restricted so that ln is defined.f' 
if f(x) = -ln(cos x)
A. 1
B. - 
C. - 
D. 
Mathematics
Add or subtract. Express the answer as a mixed number.17
- 9
A. 7
B. 6
C. 8
D. 7
Mathematics
The rectangular coordinates of a point are given. Find polar coordinates for the point.(0.6, -1.1) Round the polar coordinates to two decimal places, with ? in degrees.
A. (1.25, 61.39°) B. (1.25, 57.93°) C. (1.25, -61.39°) D. (1.25, -57.93°)
Mathematics
Subtract.
A. 4623 B. 4627 C. 4523 D. 8627
Mathematics