Aset of equations is given below: equation c: y = 6x + 9 equation d: y = 6x + 2 which of the following best describes the number of solutions to the given set of equations? one solution no solution two solutions many solutions in advance < 3

The parabola opens: y=√x-4 (principal square root) up down right left

Combine the information in the problem and the chart using the average balance method to solve the problem.

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?