What is the remainder of 14 divided by 54584

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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?