What value completes the square for the expression?

x2 - 18x

a. 9

b. -9

c. 81

d. -81

It says factor each expression completely 8y+48

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?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?