19.     which of the following is the measure of  ðqrs?     a.  80°      b.  100°      c.  115°      d.  90°

What is the value of the expression below? (81^2)^1/8

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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?