You are landscaping your backyard and want to fertilize the lawn. home depot sells supergreen lawn fertilizer in 15-lb bags and each bag cost $16.11 (tax included). each 15 -lb bag is estimated to cover about 3,500 square feet. your lawn is 1/3 of an acre. how much will it cost to fertilize your lawn? assume you cannot purchase partial bags. you have to purchase whole bags. ( hint: 1 acre is 43,560 square feet)

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

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

See attachment below and find the equivalent of tan(∠qsr)