The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf needs to be painted for a base circle? Explain your resoning. 1. 15.7 square feet
2. 19.6 square feet
3. 42.8 square feet
4. 78.6 square feet

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?