Find (fog)(x) when f(x)=x^2-7x+12 and g(x)=7/x^2-16

Which is the completely factored from of xy^3-x^3y

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have