The table and graph show the costs to buy DVDs at
two different stores.
a. Which store has the better deal on
DVDs? Explain.
b. How much money will Sheila save if
she buys 20 DVDs at the store with
the better deal than at the other store?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint