A cube has side length of x. One side of the cube is increased by 3 centimeters, and another side is
tripled. The volume of the new rectangular prism is
336 cubic centimeters. The equation
3x3 + 9x2 336 can be used to find X. What was
the side length of the original cube? Use a graphing
calculator and a system of equations to find the
-
answer.
5 centimeters
9 centimeters
4 centimeters
10 centimeters

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?