What is this x+2y-6 and y=3x-7

Name the most appropriate metric unit for each measurement

How many solutions does the nonlinear system of equations graphed bellow have?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.