Need help with this (I need anyone to do all the answers)

Use the distributive law to multiply. 3(4x + 5y + 6)

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. ?

X2 + y 2 = 36 x + y = 6 solve the system of equations.