Boris's backyard has cement and grass. Find the area of the part with cement. (Sides meet at right angles.)
4 m
1 m
2 m
grass
42 squar
5 m
3 m
cement
5 m

How far is x from 5 on a number line?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.