What is the greatest common factor of this numerator and denominator of this rational expression: 4x-8/x^2+4x-12
A.14
B.4x
C. x-2
D.4x-4

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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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?