PLS HELPsolve each of the systems of equations below using any method write your solution as a point (x, y): y=-x+8
y=x-2

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?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap