Solve for the variable b -1/2 ( b - 6 ) =6

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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 happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?