Which of the following pairs of lines are perpendicular? Select all that apply.

A. y=2/3x+4 and y=2/3x-8

B. y=2/3x-8 and y=-3/2x-8

C. y=x+2 and y=-x+3

D. y=3x+2 and y=3x-2

E. y=3 and y=4

F. y=4/5x-8 and y=-5/4x+3

Jeff answered 24 questions correctly on a 30 question quiz. What percent did he answer correctly?

A rectangular floor is 12 feet long and 11 feet wide a rug that is 9 feet long and 7 feet wide covers part of the floor how many square feet of the floor are not covered by the rub

The outside diameter of a pipe is 5 and 7/32 inches. the wall of the pipe are 5/32 inches thick. find the inside diameter

A ball is hit into the air with an initial velocity of 100 ft/s. Its height, h (t), after t seconds is given by the function h (t) = - 16t² + 100t + 5. What is the ball's maximum height?

What is 10 times as many as 60 hundreds

Find the slope and y intercept of the line whose equation is - 6x+y=-4

Standard form to slope intercept form

A storage box has a length of 9 in., a width of 6 in., and a height of 8 in. Which unit of measurement should be used to describe the amount of cardboard that was used to make this box? A. in. B. in squared C. in cubed

The product of two irrational numbers is rational.

Write the equation which has a slope of - 2 and a y intercept of 5