If the price of a good increases by 20% and the quantity demanded changes by 15%, then the price elasticity of demand is equal to

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding

Which of the following is a characteristic that can be used to guide the design of service systems? a. services cannot be inventoried. b. services are all similar. c. quality work means quality service. d. services businesses are inherently entrepreneurial. e. even service businesses have internal services.

Which of the following best explains why buying a house is more beneficial than renting? a. buying is a personal investment while renting involves giving money to the landlord. b. the monthly payments on a mortgage are generally lower than rent on an apartment. c. it's easier to sell a house than it is to get a landlord to break a rental agreement. d. housing prices can go up and down quickly in comparison to the level of rents.