Which ordered pairs make sense in the context of the situation? select each correct answer. (2,3) (4,7.5) (7,4) (3,2) (7.5,5)

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?