Simplify.

A. Not defined
B. 1
C. 2
D. 0


Answer: B

Mathematics

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Graph the solution set of the system of inequalities.x + 3y ? 9x > -2y ? 6

A.

B.

C.

D.

Mathematics

Simplify the expression. Assume that all variables are positive when they appear.

A. 9x2y
B. 63xy
C. 3x2y
D. 3x4y2

Mathematics

Find the sum.11 + 

A. 13
B. 7
C. 14
D. 7

Mathematics

Solve the application by using multiplication or division.The cost of a meal was divided equally between the 9  people in the group. If the total for the meal, including tip was $189, how much did each person pay?

A. $27  B. $21  C. $23 D. $19 

Mathematics