Question

Which phrase describes an unknown or changeable quantity?

Answer 1

Hello!

An unknown or changeable quantity is a variable. We can write these expressions below and see which one has a variable.

A. 15

B. 60(5)

C. 2p

D. $3.76

As you can see, we do not know how many pages are in the book. Therefore, our answer is C.

I hope this helps!

Answer 2

Hey!

your answer will be C