1. For the population of firms in the chemical industry, let denote annual expenditures on research and development, and let denote annual sales (both are in millions of dollars.) i. Write down a model (not an estimated equation) that implies a constant elasticity between and . Which parameter is the elasticity?

Find the zeros of the polynomial 5 x square + 12 x + 7 by factorization method and verify the relation between zeros and coefficient of the polynomials

Which of the following best explains why large companies pay less for goods from wholesalers? a. large companies are able to pay for the goods they purchase in cash. b. large companies are able to increase the efficiency of wholesale production. c. large companies can buy all or most of a wholesaler's stock. d. large companies have better-paid employees who are better negotiators.

The petty cash fund has a current balance of $ 350, which is the established fund balance. based on activity in the fund, it is determined that the balance needs to be changed to $ 450. which journal entry is needed to make this change?