Ineed pls, someone erased my question : (

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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 focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation