The sum of two numbers and the quotient in 2 I know it’s simple but I’m not that smart

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

What does x = in this equation x+3+2x=x+5