Solve the problem.If each angle of a regular polygon measures 140°, how many sides does it have?
A. 9 sides
B. 1 sides
C. 11 sides
D. 3 sides
Answer: A
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Factor.15x2 - 16xy + 4y2
A. (3x + 2y)(5x + 2y) B. (3x + 2y)(5x - 2y) C. (3x - 2y)(5x - 2y) D. (15x + 2y)(x + 2y)
Solve.The function L(x) = 2x - 1 represents the length of a rectangular flower garden and the function 
represents its width. Both measurements are in yards. Write a function P(x) that represents the perimeter and find P(6).
A. P(x) = (2x - 1)(x + 7); P(6) = 143 yd B. P(x) = 3x + 6; P(6) = 48 yd C. P(x) = 6x + 12; P(6) = 48 yd D. P(x) = 3x + 6; P(6) = 24 yd
Solve the problem.Some values for a relation are given in the table. Is the relation a function?
A. Yes B. No
Use the properties of parallel lines to solve the problem.Line m is parallel to line n. If m?6 = 112°, find the measure of each angle.
A. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 22° B. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 68° C. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 78° D. ?5, ?7, ?8 all measure 112°; ?1, ?2, ?3, ?4 all measure 68°