The area of a square picture grace is 6.25 square inches. what is the length of each side?

how do you do this? ?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Find the area of the regular hexagon if a side is 20 cm.

Which of the following vectors are orthogonal to (2,1)? check all that apply