What fraction is equal to 2/5 4/7,4/10,6/9

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?

What is the perimeter of square abcd? units units 28 units 37 units

Which expression is equivalent to 64 - 9x^2?