What’s 310.286 rounded to the nearest tenth

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?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle