1. the shoe size for all the pairs of shoes in a person's closet are recorded.
7
7
7
7
7
7
7
7
7 7
a. what is the mean?
b. what is the standard deviation?

Larry bar opened a frame shop and completed these transactions: larry started the shop by investing $41,100 cash and equipment valued at $19,100 in exchange for common stock. purchased $180 of office supplies on credit. paid $2,300 cash for the receptionist's salary. sold a custom frame service and collected $5,600 cash on the sale. completed framing services and billed the client $310. what was the balance of the cash account after these transactions were posted?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Problem 2. find the exact value of the remaining trigonometric functions. sketch theangle 8 for each problem. (3 points each)(a) tan 0 =o is in quadrant 2