How do you get a slope and y intercept from these equations? ? i don’t get it

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?