Suppose you bought supplies for a party from Party World. Three rolls of streamers and 15 party hats cost $30. Later, you bought 2 rolls of streamers and 4 party hats for $11. a. Define your variables and create a system of equations to express the given information.
b. Solve your equations to: Calculate the cost of each roll of streamers and calculate the cost of each party hat.

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

What is not true about kl and mn? what is mn? (show your work)

What is 140% of 25? because i need