Astore bought a chalkboard and marked it up 200% from the original cost of $72. later on, jackie purchased the chalkboard and paid 9.25% sales tax. how much, including tax, did she pay for the chalkboard?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Solve 17= -13 - 8x and show your work.

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?