Which pair of equations represents two perpendicular lines? a. y=-7/8x+3 and -7y=-8x b. 8y=3x+40 and y=8/2x-1 c. 5y=15-2x and 2/5x-4=y d. y=9x+3 and y=9x-1/3

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read