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The dot plot shows the daily lunch money of a group of students.
Each dot represents one student.
What is the mean daily pocket money?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

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?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3