What is the highest common factor of 8,16 and 20

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7