The scatter plot below shows the number of pizzas sold during weeks when different numbers of coupons were issued. The equation represents the linear model for this data. y = 3.4x + 43 According to the model, what is the average number of pizzas sold in one night if no coupons are issued? Responses 0 pizzas 0 pizzas 21 pizzas 21 pizzas 43 pizzas 43 pizzas 60 pizzas 60 pizzas 70 pizzas