Use the commutative law of addition to write an equivalent expression.8(y + 9)
A. 8y + 72
B. 8(9 + y)
C. 72 + y
D. (y + 9)8
Answer: B
Mathematics
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Factor: 2x2 + 9x + 9
a. (x + 3)(2x - 3) b. (2x + 3)(x + 3) c. (x + 1)(2x + 9) d. (2x - 18)(x + 9) e. (2x - 3)(x - 3)
Mathematics
Sketch an angle ? in standard position such that ? has the least positive measure and the given point is on the terminal side of ?.(0, -5) 
A. 
B. 
C. 
D. 
Mathematics
Find the rectangular coordinates of the point with the given polar coordinates.(-6, ?)
A. (0, 6) B. (0, -6) C. (6, 0) D. (-6, 0)
Mathematics
Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(0, -1)
A. 
B. 
C. (1, 0)
D. (1, ?)
Mathematics