Raul works a movie theater the function f(x) represents the amount of money raul turns per ticket where x is the number of tickets he sells the function g(x) represents the number of tickets raul sells per hour where x is the number of hours he works show all work to find f(g(x)) and explain what f(g(x)) represents

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Pls brainliest will be awarded if answer is correct

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?