There are 8 weeks and 18 books. therefore you would multiply these numbers together.
the answer would be 144 different combinations.
not sure about the permutation or combination notation, but I got you on the first part!
Answer:
Your anwser would be D
Jacki did not subtract 12 from 8 correctly.
Step-by-step explanation:
It should be a negative instead of a positive
Answer:

Step-by-step explanation:
So we have:

First, distribute:

Combine like terms:

Add:

So, in the a+bi format, we will have:

19 x 3 = 57
57 - 9 = 48
Your answer is 19.
Answer: Lenayah's presentation was 12 minutes long.
Step-by-step explanation:
- Set up a proportion. 2/3 = 8/x.
- Cross multiply. 2x = 24
- Divide both sides by 2. x =12