What is the y-value in the solution to this system of linear equations? 4x + 5y = -12 -2x + 3y = -16 them -4 -2 2

Ineed with number 17 i don’t get it at alll

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

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line