Factor the expression m^2-7m-18

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay