A

b
+

−a

−b
=

0

0

What is the size of the matrix resulting from each multiplication?

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 actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

Are the corresponding angles congruent? explain why or why not.