PLS HELP Which two sentences correctly use a dash?

A;Most of the working population today is troubled—by lack of sleep.
B;You need to sleep 6—8 hours daily to maintain a healthy body.
C;The secret to improving your productivity is simple—get a good night's rest.
DI found something unexpected in my trash can—a litter of raccoons.

Who says, "cause we all tied up in a race of people that don't know how to do nothing but moan, pray and have babies"? from a raisin in the sun. a. walter b. ruth c. george d. beneatha

What does the candle symbolize in this excerpt from leo tolstoy’s the death of ivan ilyich? “when i am not, what will there be? there will be nothing. then where shall i be when i am no more? can this be dying? no, i don’t want to! ” he jumped up and tried to light the candle, felt for it with trembling hands, dropped candle and candlestick on the floor, and fell back on his pillow. a. ivan ilyich’s shallow lifestyle b. ivan ilyich’s troubled conscience c. ivan ilyich’s murky past d. ivan ilyich’s approaching death

Which is a complete sentence? a. whales migrate south in the winter. b. provided that we pay in advance. c. when the weather gets cold. d. whether you choose to go or not.