What is the greatest common factor of the expression 12x4+18x2

How many solutions does the nonlinear system of equations graphed below have?

Complete the synthetic division problem below.what is the quotient in polynomial form 2/16 -16

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?