Will is saving for a harmonica. he alreddy has $15 saved and intends to save $4 each week. the equation for the ammount of money (y) he has saved is y=4x=15, where x is the number of weeks. what do the slope and y interceps represent?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students