I need help pls jdjxj

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

What is the circumference of the pie