What is the chemical formula of water.

How many $20 bills do you need to have to make $280

What are the domain and range of the function f(x)=2^x+1

Asoftball team played ten games, scoring 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 runs. they lost by one run in exactly five games. in each of their other games, they scored twice as many runs as their opponent. how many total runs did their opponents score?