Draw the interval on a number line. (-∞, 4]

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2