The express meal at a restaurant includes 1 soup, 1 pizza, and 1 dessert. there are 5 types of soups, 2 types of pizzas, and 3 types of desserts to choose from. how many different express meals are possible?

eight hundred an fifty one point four hundred and fifteen

800+50+1+.4+.01+.005

the diagram shows you   triangle def with de=4, df=9 and de≠df≠ef.

the sum of the lengths of two triangles' sides are always greater than the length of the third side:

substitute sides lengths:

then 5< ef< 13 (option 3 is true).

def is a scalene triangle with all sides of different lengths (option 5 is true, option 2 is false).

answer: correct choices are 1, 3 and 5