The ratio of boys to girls in the sixth grade is 3:5. If there are 20 more girls than boys, how many total students are in the sixth grade?

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. ?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2