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if δuvw is dilated from point u by a scale factor of 2, which of the following equations is true about segment a prime b prime?

What is not true about kl and mn? what is mn? (show )

Ineed to know the answer to this algebra question.

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?