Solve 7w – 3r = 15 for r. show your work.

The chart below shows the distribution of weeds in yard

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Consider the function f(x)=-5x+3 what is f(-2)