16. Write an equation for a line that is perpendicular to the line y=-7x + 3 that shares its intercept. Describe how you know that these lines are perpendicular.

answer: i believe its b. if you sound out the sentences that sounds wrong.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

12cm

the answer is d

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it