Which ordered pair is not a solution of f(x) = 2x + 9?
(7, 23) (3, 14) (2, 13) (0, 9)

Find the area of an equilateral triangle with a side of 6 inches

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.

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls