Kai lives 3 kilometers from school, Brea lives 30,000 meters from school, and Cal lives 30,000 centimeters from school. Which statement about these distances is true?
A. Kai lives the farthest from school
B. Brea lives the closest to school
C. Cal lives farther from school than Kai
D. Brea lives the farthest from school
MARKING BRAINLIST IF CORRECT!! :)

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Can someone me out here number 4 plz

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?