Easy question. Need help.

Find the missing number
Provide step by step

What expression is equivalent to 1/2(2+3x-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. ?

Solve -.016x= -16. need solving this