The perimeter of the rectangle and the triangle shown are the same. Write an equation to represent the situation, and solve for x. Then, find the perimeter of each shape.

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?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Find the maximum value of p= 4x + 5y subject to the following constraints :