HELP WITH THIS MATH QUESTION PLS ^^ TY!

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?