Please help asap thank u

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

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