Asurvey was conducted at springdale high to find the number of hours students sleep at night. the histogram shows the data collected in this survey. which statement about the number of hours students sleep is true? a. seventeen students sleep between 6 and 8 hours at night. b. seventeen students sleep for 6 hours at night. c. ten students sleep for 4 hours at night. d. six students sleep between 2 and 4 hours at night. e. four students sleep for 10 hours at night.

Finding tbe values of the variables in each kite

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Someone answer this asap for 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.