Hight=12 inches area of the base = 200

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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. ?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)