Bonjour, si quelqu’un comprend et pourrais m’aider serrait gentil merciii d’avance c’est pour demain

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

When only separate discreet points are graphed it is called?