What is the name of the line that you use to define a parabola?

A: Parallel

B:Directrix

C: Perpendicular

D: Focus

Ryan sold 360 out of his 900 baseball cards to earn money. What percent of his cards did he sell

An electrical heating element produces heat depending on the resistance of the element and the current passed through it. The heat produced can be given by the formula h = I2R where h is the heat generated, I is the current, and R is the resistance.

Find the volume of the rectangular prism 8, 9, 2

What is the probability of randomly meeting someone whose social security number ends in the same last digit as your SS#?

Simplify 2/5+4/3 / 3/5

What expression is equivalent to - 5 (3x - 4)

Solve by substitution or elimination 2x + y = 5 2x - y = 3

3. Subtract: 4x^3-6x^3+8x-9 from 7x^3-16x+18

What is 17 and five divided by 8

One rate of an equivalent ratio is 9/n. Select two other rates, one that can be solved by using equivalent fractions and the other by unit rates 0