(08.03/08.05 mc)

a pair of equations is shown below:

y = 3x − 5
y = 6x − 8

part a: explain how you will solve the pair of equations by substitution or elimination. show all the steps and write the solution. (5 points)

part b: if the two equations are graphed, at what point will the lines representing the two equations intersect? explain your answer. (5 points

Factor the expression using gcf 9b+45

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?

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position