A (n)

is a letter used as a placeholder for an unknown value.

The slope of a wheelchair ramp for a home has to be 1/12. If the vertical distance from the ground to the door bottom is 2.5 ft, find the distance the ramp has to extend from the home in order to comply with the needed slope.

Solve. -x/3 + 3 ≥ 4 A. x < - 1/3 B. None of these C. x ≤ - 3 D. x ≤ - 1/3 E. x ≥ - 3

How do I determine whether the slope is Zero, undefined, or neither? I have the coordinates, (4, 3) and (-5, 7) (1, 2) and (1, 6) (6, 2) and (9, 2) (5, - 8) and (3, - 8) (8, 7) and (14, 1) (3, 10) and (3, 5)

Explain why vertical lines are a special case in the definition of parallel lines.

A person in a casino decides to play blackjack until he loses a game, but he will not play more than 3 games. Let L denote a loss and W denote a win. What is the sample space for this random experiment

State whether - -4-) and (-4) represent the same quantity, Explain,

A spherical solid of volume 123,456 is melted and recast into a solid cube. What is the side length of the cube?

The price of an article on sale was 70% of the regular price. If the sale price was $28, what was the regular price?

There are 12 players on a new softball team. before the team starts playing games the team must pay a total of $ 572. along with the registration fee, the team will also need to spend a total of $ 1,240 on equipment.

Simplify. 8 (4x-3y-5) - 2 (3x-2) Show how you got the answer