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, how many more pizzas are sold for each additional coupon issued? 1 pizzas 3.4 pizzas 4.3 pizzas 43 pizzas 46 pizza a graph measuring average number of pizzas sold nightly in relation to number of coupons issued. a line indicates that pizzas sold increases as number of coupons issued increases

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4