Answer:
Function A i think.....
Step-by-step explanation:
Answer:
Step-by-step explanation:
.
Use the Pythagorean theorem:

c - a hypotenuse
a, b - legs
We have: a = 9 and c = 12. Substitute:

<em>subtract 81 from both sides</em>

A Pythagorean triple consists of three positive integers a, b and c, such that
.
is not positive integer.
<h3>The sides of the triangle do not form a pythagorean triple.</h3>
(2x-20)/3 = 2x start by multiplying both sides by 3
3 hours is 180 minutes.
She rested for 20 additional minutes, thus it will take her 200 minutes.