Which statements about the formulas for finding area are true? Select two options.
The area formulas for a triangle and a parallelogram require multiplying base by height.
A triangle and parallelogram with the same base and height will have the same area.
A rectangle and parallelogram with the same base and height will have the same area.
The area formula of a trapezoid requires finding the product of the bases.
The base of a triangle is always the shortest side.

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?