If probability of event a and event b are independent events does it mean the probability of even a occurring given even b happened mean the same as just the probability of event a

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?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Julia spends $5.25 on gas for her lawn mower. she earns $13.00 mowing her neighbor's yard. what is julia's profit?