What expressions is equivalent to the expression 19× 27 ?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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?

What is the result of the following division?