When Josh babysits, he charges a flat fee of $4 plus an hourly rate of r dollars. Josh worked 4 hours at his last job. The equation below represents the amount Josh earned.
4r+4=22
What is Josh’s hourly rate?

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?

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points