Which pair of lines is perpendicular?

a. y=2x-1 and2y=-x+3

b. y=3x+4nand3y-x=5

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

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

1 is how many times greater than 1/4

Estimate each quotient tell which method you used 195 divided by 4

Is more one there? I've a math salary project

Matt collects baseball, basketball and football cards. Half of his cards are baseball. He has 125 football cards and 85 basketball cards. How many total cards does he have?

In the figure, ΔABC ~ ΔDEF. Solve for x. A.) x = 5 B.) x = 12 C.) x = 4 D.) x = 7.2

Hello, pouvez vous m'aider svp? (x+3) (x+6) Il faut developper et réduire

A college wants 950 entering freshman. Experience shows that about 75% of admitted students accept. The college admits 1200 students, so if we assume decisions to enroll are made independently, the number who accept has a B (1200,0.75) distribution.

15 cm 12 cm 7 cm find area

How many grams are in a liter

Which measures would be the side lengths of a right triangle?