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

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the equation. = -9

A. -15 B. 45 C. 1 D. -14

Mathematics

Solve the problem.A couple have bought a new house and are comparing quotes from two moving companies for moving their furniture. Company A charges $80 for the truck and $50 per hour for the movers. Company B charges $60 for the truck and $55 per hour for the movers. Create a cost equation for each company where y is the total cost and x is the number of hours of labor. Write a system of equations.

A. y = 80x + 50 y = 60x + 55 B. 50y = x + 80  55y = x + 60 C. 50y = 80x   55y = 60x D. y = 50x + 80 y = 55x + 60

Mathematics

Write the x- and y-intercepts of the graph.

A. x-intercept: -1; y-intercept: 1 B. x-intercept: 1; y-intercept: 1 C. x-intercept: -1; y-intercept: -1 D. x-intercept: 1; y-intercept: -1

Mathematics

Divide. Express the quotient in lowest terms. ÷ 

A.  
B.  
C.
D.  

Mathematics