Which type of economy features a direct exchange of goods or services without the use of money? question 1 options: gift economy barter economy market economy planned economy

Revising for clarity business writers appreciate messages that are clear and understandable. proofreading and evaluating your work will you compose messages that are clear, concise, and direct. revise for clarity by eliminating trite phrases, avoiding jargon and slang, and dropping cliché́s. why do some people fail to write clear and concise messages? they always tell the truth. they write to express and impress. they write to impress instead of express.

You have $22,000 to invest in a stock portfolio. your choices are stock x with an expected return of 11 percent and stock y with an expected return of 13 percent. if your goal is to create a portfolio with an expected return of 11.74 percent, how much money will you invest in stock x? in stock y?

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?