Evaluate the expressions.
(a) 20 div 7
(b) 20 mod 7

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Which statements regarding efg are true? check all that apply.