21. a. The columns of a matrix A are linearly independent if the equation Ax = 0 has the trivial solution. b. If S is a linearly dependent set, then each vector is a linear combination of the other vectors in S. c. The columns of any 4 x 5 matrix are linearly dependent. d. If x and y are linearly independent, and if {x, y, z) is linearly dependent, then z is in Span {x,y}.

Question 39

v Question Completion Status: QUESTION 11 The accompanying table shows the demand and supply schedules for lobster. The U.S. government decides that the incomes of lobster farmers should be maintained at a level that allows them to survive. It therefore implements a price floor of $14 per pound by buying surplus lobster until the market price is $14 per pound. Quantity Demand (thousands of pounds) Quantity Supplied (thousands of pounds) Price of Lobster (per pound) $22 0. 360 20 20 320 18 40 280 16 60 240 14 80 200 12 100 160 10 120 120 8 140 80 6 160 40 4 180 Reference: Ref 2-1 Since lobster is an important source of protein and omega-3, the government decides to provide the surplus lobster it purchases to nursing homes at a price of only $12 per pound. Assume that nursing homes will buy any amount of lobsters available at this low price, but families of nursing home patients now reduce their purchases of lobsters at any price by 60 thousand pounds because their family members are…

Question 18 Suppose the number of buyers in a market increases and a technological advancement occurs also. What would we expect to happen in the market? O a Equilibrium price would decrease, but the impact on equilibrium quantity would be ambiguous Ob. Equilibrium price would increase, but the impact on equilibrium quantity would be ambiguous. Oo Equilibrium quantity would decrease, but the impact on equilibrium price would be ambiguous O d. Equilibrium quantity would increase, but the impact on equilibrium price would be ambiguous

Question 22 SROI is calculated by which equation? O Sport Spending - Sport Impact O Sport Impact / Sport Spending O Sport Revenue - Sport Spending Ⓒ Sport Spending / Sport Impact

● ● In order to drum up business, Ms. Smith purchased seasons tickets for both the Senators and the Redblacks. Should Redblacks tickets be expensed? Yes or No Should Senators tickets be expensed? Yes or No ● The cost for the Senators tickets (2) for $1,500 each. Ms. Smith will take a client to every hockey game; she has not missed a game in over five years. The cost for the Redblacks tickets (4) for $350 each. The same goes for the Redblacks, she hasn't missed a game either and it's a family tradition for her, her spouse and their two nieces to attend the games together. Ms. Smith pays $75 a month for a storage locker that she has had for over 3 years. Everything in the storage locker was bequeathed to her from her great uncle. She has no use for the items, but she can't seem to let them go. Should storgae locker fee be claimed? If yes, how much Ms. Smith has a business bank account and the monthly banking fees associated with this account are $5 a month. ● Should banking fees be…

Question 3 Employers pay both social security and unemplolyment taxes. True False

Question 14 Public owners are expected to negotiate bid prices submitted by contractors in an attempt to maximize the value of construction services acquired. True O False

Question 3 An infeasible solution in Linear Programming Problem indicates that There is a need to satisfy all the constraints for a feasible solution. All of the constraints were satisfied There is no need to satisfy all the constraints to have a feasible solution. None of the given answers is correct O At least one of the constraints was not satisfied