Two heads are better. Simultaneously flip a dime and a quarter. If you see two tails, ignore that flip. If you see at least one head, record whether you see one or two heads. Repeat this experiment 30 times. Approximately what fraction of flips did the two coins show double heads

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?

Asap! i'm not good math and i'm lost.

The function models the number of accidents per 50 million miles driven as a function