75 POINTS No Links! PLEASE SHOW WORK
A whispering room is elliptical. It measures 32 feet wide and 66 feet long. If a person is standing at one focus, her whisper can be heard by a person standing at the other focus. How far apart are the two people?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.