Maria’s book collection contains 8 biographies, 6 mysteries, 3 adventures, and 7 science fictions. What is the ratio of biographies and mysteries to the total number of books in Maria’s collections? Simplify the ratio.

What is the inverse of the function f(x) = 2x + 1?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?