The quantity y varies directly with the square of x and inversely with z When x is 9 and z is 27 y is 6. What is the constant of
variation?

2
9
18
54

1. are the triangles similar and if so why? what is the value of x? show your work.

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?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?