In triangle ABC, (angle A) is a right angle and (m angle B) = 45deg.
What is the length of BC? If your answer is not an integer, leave it in the simplest radical form.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?