8. find a simple closed formula for -1)4k. prove your answer using induction. hint: try computing the first several partial sums, to guess at what the closed formula might be

Which expression gives the area of the triangle shown below

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?