a liquid is cooling such that its temperature can be modeled by the function f(m)=112e^-.058+64 where the output is in Fahrenheit and m represents the minutes the liquid has been cooling. which of the following is closest to the amount of time it will take for the temperature to reach 90 degrees​

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?