At a supermarket the price of a carton of blueberries varies directly with its weight. a carton that weighs 0.5 lb cost $4.25. what is the price in dollars of a carton of blueberries that weighs 0.75 lb?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?