Which conclusions can be drawn from the results of the survey? Check all that apply.
There is no association between using social media and grade level.
The probability a student uses social media, given that he or she is in 9th grade, is 81%.
A student who is more likely to not use social media is in 8th grade.
An 8th grader is more likely to use social media than not.
Knowing a student’s grade level does not help determine if he or she uses social media.

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.