Answer:

Step-by-step explanation:

Answer:
$0.10/oz
Step-by-step explanation:
Unit rate simply means the amount per 1 unit of something.
In this case, we want to find the amount of money for 1 oz of something.
So, we divide 1.99 by 30 and divide 30 by 30 to get:
(1.99 / 30) / (30 / 30) = $0.0663 / 1 oz
Rounded to the nearest tenth, 0.0663 is about 0.1.
Thus, the answer is $0.10/oz.
Answer:
18
Step-by-step explanation:
9+9=18 both sides of the rectangle is 9 so the top is longer which means 18
Answer:
It's irrational
Step-by-step explanation:
the square root of 27 is equal to:

We know that
is an irrational number (but a real number), so
is the same.
In case we need to prove that
is irrational, please leave a comment.