(a(1) = -13
(a(n) = a(n-1)+4
Find the 2nd term in the sequence

Please don't guess and try to show your work i have been stuck on this one all day

What is the quadric regression equation that fits these data

How many $20 bills do you need to have to make $280

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. ?