Ken used a piece of lumber to build a bookshelf. if he made three shelves that are each 2 1/2 ft long, how long was the piece of lumber?

What properties allow transformation to be used as a problem solving tool

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

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.