Given f(x)=x^2+5 and g(x)=2x^3-1 find (f/g)(-3)

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Could somebody me with this radical simplification?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.