Aiguo places 6 circular biscuits, each with the same diameter, on a baking sheet as shown below. What is the approximate area of the baking sheet left uncovered?
Use 3.14 for p. Show your work. Please help!

The soccer team is conducting a fundraiser selling long-sleeved t-shirts for $14 and short-sleeved t-shirts for $10. so far the team has sold less than $200 worth of the two types of t-shirts. which inequality best represents x, the number of long-sleeved t-shirts they have sold, and y, the number of short-sleeved t-shirts they have sold?