Which pair of lines is perpendicular?

A. y=2x-1 and 2y=-x+3

B. y=3x+4 and 3y-x=5

C. y=-4x+2 and x+4y=6

D. y=-6x-3 and 6x-y=4

Simplify the expression: - 5 (-6x-9y) - 4 (-10x+7y)

What is 4 3/8 divided by 3/4 times 4/7

A display number cube measures 20 in. One a side. The sides are numbered 1-6. The odd numbered sides are covered in red fabric. How much red fabric was used?

Enter the values to complete the statement. To determine whether (-1,4) (-1,4) is a solution to the equation 3x+8y=29 3x+8y=29, substitute for x and and for y

A piece of wood is 3/4 meter long is being cut into smaller pieces that are each 1/10 meter long. Which expression is one of the steps in determining how many pieces can be cut? A. 3/4 • 1/10 B. 3/4 • 10/1 C. 10/1 • 4/3 D. 1/10 • 3/4

Of 400 votes cast, olivia received 38% of the votes and michael received 116 votes. what percentage did michael receive?

What are the zeros of F (x) = 3x^2-15x-72 A) x=-2 or x=-8 B) x=-3 or x=8 C) x=8 or x=3

G=1/2 (w+40) solve for w

There are 535 students going on a trip each bus holds 73 students how many buses will I need

A man made lake is stocked with 10,000 fish. This population is expected to decline by an annual rate of 15%. Predict the fish population 5 years after the lake is stocked