36_1_3 _2_13=20 Fill in the black using: ( ) + - x and division

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?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

In angle pqr find the measure of