What is the value of 7 to the power of 3

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?

Using elimination, what is -4x+2y=-12 4x+8y=-24

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.