Bonjour qui d'autre est au lycée et la géométrie échoue?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work