A rectangle is twice as long as it is wide. The area of the rectangle is 50 ft. What is the length of the rectangle

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Plot the intercepts to graph the equation

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?