Given : F= {(0,1),(2,4),(4,6) (6,8)} and G= {(2,5),(4,7),(5,8),(6,9),(7,5)}) Find the common domain of F and G.
A. {2,4,6}
B. {1,4,6,8}
C. {0,2,4,6}

Can anyone me with 32,33,36,37,and 40.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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?