Terrence biked a total of 645 kilometers in 15 days of training for a race. Terrence biked the same number of kilometers each day. How many kilometers did Terrence bike each day?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?