An airplane can stay in the air for 6 hours..it has been in the air for 2.5 hours

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n