What is the constant of proportionality in the equation 6y=3x6y=3x6, y, equals, 3, x?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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?