The lists below gives the donations in dollars that two different charities received in 1 day compare the means of the two data sets planted society 40 20 16 20 17 12 15 bees park expansion : 25, 12, 9, 15, 35, 20, 6, 30

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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?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k