Are you smarter than a second grader? a random sample of 63 second graders in a certain school district are given a standardized mathematics skills test. the sample mean score is 52. the nationwide average score on this test is 50. assume the standard deviation of test scores is 11. find the critical values

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.