Plot the point in a polar coordinate system.(-2, -135°)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation 
. Round your answer to two decimal places.
?
A. ?
B. ?
C. 
D. ?
Mathematics
Solve the equation.-27 = 10x - 7
A. -30 B. -2 C. -26 D. 4
Mathematics
Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = -5x2 + 4; decreasing
A. [0, ?)
B. 
C. (-?, ?)
D. 
Mathematics
Solve for x:
a. 7 b. 9 c. 13 d. 21
Mathematics