Why is ln natural logarithm?

In a basketball game, the ratio of Mike's baskets to Jim's are 4 to 5. If they made 18 baskets together, how many fewer baskets did Mike make?

Write the product as a mixed number 2*2 1/3

Trevor, Robert, and Maurice made some paper airplanes and want to see how far they will fly. The distance from Trevor to Robert is 13.5 feet. The distance from Robert to Maurice is 14.2 feet. The distance from Maurice to Trevor is 6.6 feet.

What is the average rate of change of y with respect to x over the interval [-3, 4] for the function y = 2x + 2

How do you write 144% as a fraction, mixed number, or whole number in simplest form?

If 9450 is 16%, how much is 100%

1. If you drive 100 kilometers in 20 seconds, what is your average speed in kilometers per second?

The set of lessons in this geometry course is:

4 divided by 5 minus radical 15

Find the length, d, in simplest radical form, of the diagonal of a cube with sides of s units.