Which expressions result in a product that has a best estimate of 80? Select all that apply. A. 0.82×112
B. 42.3×21
C. 1.2×78
D. 0.19×37
E. 8×9.62

What percent of the circle below is shaded?

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

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?