Be as specific as ! 1) what are the differences methods that can be used to solve a system of equations? 2) what are the different types of numbers of solutions you can get with solving a system of equations? 3) how can graphing methods be used to solve a system of equations?

3(10x-y)-5(x-y^2) need this solved asap

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.