Item 4 Ellie has 20 books on her shelf. Four of these books are nonfiction, and the rest are fiction.

What is the ratio of fiction books to nonfiction books on the shelf?

5:4

5:1

4:1

I don't know.

Find the slope of the line y =8/9x + 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?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.