The slipperiness of a floor (denoted by sss) can be defined as a function of the number of banana peels (denoted by ppp) and the area of the floor (denoted by aaa) using this formula:

What is the difference between the predicted value and the actual value

How can you tell when x and y are not directly proportional?

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?