Lauri worked full time at a health club last year earning $23000. last year $1090 in earnings was needed for on social security credit. lauri earn 4 credits for the year

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

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?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?