Which of the following are irrational numbers? a. pie (the number lol) b. 4.8 repeating c. square root of 9 d. all of the above

is the only irrational number on the list. As a reminder, an irrational number is one which can't be written as a ratio of two integers.

With a little scratch work, we can show that can be written this way:

And , which can be written as a ratio like , or any other where the numerator is 3 times larger than the denominator.

A proof of the irrationality of is pretty involved and advanced, so you'll just have to take my word for it for now!

sorry, i don't know i just need points, i'm new here. chao

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!