The function below shows the number of car owners f(t), in thousands, in a city in different years t:

f(t) = 1.1t2 - 2.5t + 1.5

the average rate of change of f(t) from t = 3 to t = 5 is thousand owners per year.

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

What is the value of y? round to the nearest tenth

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?