If 8 + 4 = 12, then 12 = _ + _

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

What is the volume of the sphere shown below with a radius of 3?

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?