The history club surveyed 75 students about the number of history courses in which they enrolled and the length of time it took them to complete an exam. Classify the random variables from the survey.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?

The graph shows the distance kerri drives on a trip. what is kerri's speed?