1.8 + 3.5y + 0.9 + 9 = 16.2

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

The parabola opens: y=√x-4 (principal square root) up down right left

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?