The concept that relates how much one variable changes as another variable changes is:.

Saeed needs money to purchase tools, basic office supplies, parts to refurbish equipment, accounting software, and legal fees. believing saeed's business will be a success, an investor invests $5,000 to saeed open his business. in return, saeed agrees to repay the investor the $5,000 plus 17 percent of the profits of the business. calculate the return on investment for the investor if saeed's business makes $7,000 in profit as a total return of the business in its first year.

You are looking at a one-year loan of $16,500. the interest rate is quoted as 8.7 percent plus two points. a point on a loan is 1 percent (one percentage point) of the loan amount. quotes similar to this one are common with home mortgages. the interest rate quotation in this example requires the borrower to pay two points to the lender up front and repay the loan later with 8.7 percent interest. what rate would you actually be paying here?

Suppose rebecca needs a dog sitter so that she can travel to her sister’s wedding. rebecca values dog sitting for the weekend at $200. susan is willing to dog sit for rebecca so long as she receives at least $175. rebecca and susan agree on a price of $185. suppose the government imposes a tax of $30 on dog sitting. the tax has made rebecca and susan worse off by a total of