Answer:

Step-by-step explanation:
Write down the problem;

Simplify

Convert so that the fractions have a common denominator; multiply the numerator and denominator of both fractions such that the denominators are equal;

Add the fractions;

Convert to mixed number;

Answer:
50 minutes
Step-by-step explanation:
We know there is 60 minutes in an hour. so if we do 4:15 + 50 minutes, it reaches 5:05 minutes.
Answer:
He can choose by each players skill and depending on how long the game is he can sub them out throughout the game
Step-by-step explanation:
Answer:
2nd one
Step-by-step explanation:
(x*x*x*x*x*x*x*x*x)
or x^9