HELP ME ASAP PLEASE <3 :(

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Use the multiplier method to incrases £258 by 43%

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.