Definition: This is a decimal number which never ends, but whose digits after the decimal point come in a predictable pattern. Example: 5.32

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000