Find the value of x²-6x+13 when x=3+2i​

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible