So,
In order to simplify a fraction, we have to factor both the numerator and the denominator.

Cross out ones.
Answer:
.
Step-by-step explanation:
Given information:
According to the Pythagoras theorem,
Using Pythagoras theorem, we get
Taking square root on both sides.
Hence, the expression of the hypotenuse is
.
Answer would be -19 and your welcome :)
They leave it on the moon.
Answer:
I think it is 2 hrs... if there are not any extra variables.
Step-by-step explanation: