Solve the equation for ? if 
. Do not use a calculator.
?
?
A. 60°; 300°
B. 150°; 330°
C. 30°; 210°
D. 135°; 315°
E. 120°; 300°
Answer: C
Mathematics
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 3)(
- 3)
A. 1
B. 19
C. 7
D. 10 - 2
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.(9, ?)
A. (0, -9) B. (0, 9) C. (9, 0) D. (-9, 0)
Mathematics
Solve the system of equations.
A. (-4, -12), (-1, 0) B. (4, 20), (1, 8) C. (4, 1) D. No solution
Mathematics
Find the net cost. Round to the nearest cent.$137.70 less 15/25/10
A. $68.85 B. $79.01 C. $85.37 D. $87.70
Mathematics