How do i do this problem? (13z^9+6v)-11z^9

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

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?