Look over the Spencer family's financial details. Their monthly income totals $2,500, and they earn $4.50 in interest on a savings account each month. Their monthly expenses are shown in the table below. Expenses Current short-term savings $0 long-term savings $0 rent/insurance $700 car payment $350 utilities $150 tv/cable $100 cell phones $100 clothing $175 entertainment/recreation/eating out $250 credit card (balance=$1200) $50 miscellaneous expenses $100

U.s. internet advertising revenue grew at the rate of r(t) = 0.82t + 1.14 (0 ≤ t ≤ 4) billion dollars/year between 2002 (t = 0) and 2006 (t = 4). the advertising revenue in 2002 was $5.9 billion.† (a) find an expression f(t) giving the advertising revenue in year t.

Which of the following has the largest impact on opportunity cost

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?