Solve the following equations. Show your work. Submit to your teacher when you have completed the sheet.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Which of the following is not a subset of {1,2,3}?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?