Need help class due tomorrow and none of the awnsers are comming up

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

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?