Suppose that x and y vary inversely and x=1 when y=5. Write a function that models the inverse variation. Graph the function and find y when x=20.

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

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?