Will give brainleast

jeff had a lemonade stand and ended up with 5 times as much money at the end of the day than at the beginning of the day. he ended the day with $110. how much did he start with? a) $22 b) $105 c) $115 eliminate d) $550

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?