Given that f(x)=x^2-4x-3 and g(x)= x+3/4, solve for f(g(x)) when x =9

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Which of the following is not a subset of {1,2,3}?

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday