What is the explicit formula for the sequence -17, -34, -68, -136, ...?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Is it greater than or less than7*3_9*2