Please Help Points E, F, and D are located on circle C. The measure of arc ED is 108°.

What is the measure of angle ECD?

Group of answer choices

108°

54°

126°

72°

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

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?