There are two connected gears. one has 60 teeth and it makes 50 complete revolutions in a minute. how many complete revolutions will the second gear complete, if it has 40 teeth? could somebody answer this with a explanation? : )

Which of the following is true for the relation f(x)=2x^2+1

For the inequality |c| < |d| to be true, which of the following must be true?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?