If a = 3 inches and c= 5 inches, what is the measure of b? 2 inches
3 inches
4 inches
8 inches

Measure of angles 31 (x+4) (3x+9) me

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?

Which best explains why this triangle is or is not a right triangle ?