Answer: you square root it.
5r^2/5 = 80/5 =16
Sqr root of r^2=Sqr root of 16
r=4
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Using Pythagorean Theorem, 3² + 4² = 5²
Answer:
2:5
Step-by-step explanation:
Since there are 2 nickles and 5 quarters there are 2 nickles for every 5 quarters so answer is 2:5