Which table represents solutions to y = 2x + 6? B D Х у х y Х y Х y -3 -18 -3 0 -3 0 -3 0 0 -12 0-6 0 6 0 3 -6 3 0 3 12 3 12​

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?