Which of the following situations form a proportional relationship?
Select all that apply.
O 5 DVDs for $9 and 15 DVDs for $27
O 6 cups of coffee for $8 and 9 cups of coffee for $12
3 pocketbooks for $60 and 5 pocketbooks for $90
12 cans for $3 and 30 cans for $7.50
2 ink cartridges for $25 and 4 ink cartridges for $75

Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d

The area of square garden is 300m squared. how long is the diagonal?

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false