Use rules of inference to show that if the premises "all zebras have stripes" and "mark is a zebra" are true, then the conclusion "mark has stripes" is true.

Which of the following best describes the economic effect that results when the government increases interest rates and restricts the lending of money? a. borrowing money becomes more expensive and there is less investment in production. b. the economy grows as investments result in larger profits. c. government spending drives up prices because of greater competition for goods and services. d. consumers save more money and spend less buying goods and services.

In 1975, mcdonald’s introduced its egg mcmuffin breakfast sandwich, which remains popular and profitable today. this longevity illustrates the idea of:

Luggage world buys briefcases with an invoice date of september 28. the terms of sale are 2/10 eom. what is the net date for this invoice