Which is an estimate of square root of 15 to one decimal place?

The table shows the distance traveled over time while traveling at a constant speed.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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?