Joe makes an hourly salary of $8.10 for 40 regular hours of work. For each hour worked over 40 hours, he is paid at a rate of $12.15 per hour. Last week Joe worked 45 hours. He has withholdings of social security tax (6.2%), medicare tax (1.45%), federal tax ($61.12), state tax ($21.03), city tax ($6.01), pension ($4.12), disability insurance ($1.31), medical insurance ($13.05), and dental insurance ($5.46).

Will give find an equivalent function to f(x)=5(2)^3x. the 5(2)^3x means 5(2) to the 3x power answer choices: a: f(x)=125^x(8)^x b: f(x)=10^2x c: f(x)=40^x d: f(x)=5(8)^x

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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?