Jose visited a garage sale and found a baseball card collection which he believed was worth over $1,000. he bought the collection for $50.00 from wanda. later jose discovered the collection was essentially worthless and demands his money back from wanda. must wanda refund jose's money?

The economic advisor of a large tire store proposes the demand function d(p)equalsstartfraction 1900 over p minus 40 endfraction , where d(p) is the number of tires of one brand and size that can be sold in one day at price p. answer parts (a) through (e) below. a. recalling that the demand must be positive, what is the domain of this function? the domain consists of all possible values of ▼ for which ▼ p d(p) ▼ does not exist. is positive. is zero. is negative. exists.

On the first day of the fiscal year, a company issues an $7,500,000, 8%, five-year bond that pays semiannual interest of $300,000 ($7,500,000 × 8% × ½), receiving cash of $7,740,000. journalize the first interest payment and the amortization of the related bond premium. round to the nearest dollar. if an amount box does not require an entry, leave it blank.

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?