How many sides does a polygon have if the sum of interior angles is equal to 18 right angles ? ( please give the answer with explanations if possible)

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?

Graph y = -|x| + 2. click on the graph until the correct one appears.

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4