What term describes the decreasing of time it takes to travel due to technology

Which of the following is not a feature of the surface mining control and reclamation act? regulation of surface coal mines repayment of loss of benefits to ill mine workers restoration of lands to pre-mining conditions retroactivity return of land to original topography

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Luke finds a great deal for pudding cups on amazon. he can get a 36 pack for $9.74. what a deal! each cup holds 3.25oz of yummy pudding, btw. luke also knows that the hot tub is about 5 feet width, 5 feet long, and 2.5 feet deep. how many packs will luke need to buy in order to fill the hot tub? how much will this prank cost him? need