Agroup of people are available for 7 1/2 hours to paint rooms in a house. it takes them 2 1/4 hours to paint each room. about how many rooms can the group paint?

What two criteria are needed for triangles to be similar

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?

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62