Plz help again. I will give 20 points again. NO BAD BOI/GURL

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?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way