The slope of a line is given below. find the slope of two lines: one parallel to the given line and one perpendicular to the given line.
m=9/14
a. parallel: -14/7; perpendicular: 9/14
b. parallel: 14/9; perpendicular: -9/14
c. parallel: 9/14; perpendicular: -14/9
d. parallel: -9/14; perpendicular: 14/9

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?