Marco is reconstructing his expenses for the past two weeks. Here are the records of his expenses:transactioncost ($)t-shirt20gas22movie13video game39jeans34hat15books31marco’s bank statement says that he has an ending balance of $81. What is marco’s starting balance?a. $255b. $93c. $174d. $210.

The different layers of gases that extend form the surface of the earth into space

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?