Karen is trying to find the average of three measurements. the measurements are 13.8,15.64, and 22.51. he adds the numbers and divides by three

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

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?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20