Directed line segment de has endpoints d(-4, -2) and e(1, 8). point f divides de such that df: fe is 2: 3. what are the coordinates of f?

The amount of energy it takes to lift a box might be a function of which of the following

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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?