Drina wrote the system of linear equations below.
3x-2y=-2
7x + 3y = 26
--x-11y = 46
which type of matrix can be formed using this system of equations?
a diagonal matrix
a square matrix
a matrix with 3 rows and 4 columns
ó a matrix with 4 rows and 3 columns

How to solve a simultaneous equation involved with fractions?

Which statements regarding efg are true? check all that apply.

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?