If the measure of angle cde is a straight angle, line de bisects angle gdh if the measure of angle siri is a straight angle, mine de bisects angle gdh, measure of angle gte equals 8x -1°, at the measure of angle 80 h equals 6x +15°, and the measure of angle cdf equals 40

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?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b