gavin is setting up chairs for a piano recital. He places 5 chairs in the first row, 7 chairs in the second row, and 9 chairs in the third row. If the pattern continues, how many chairs will he place in the 8th row?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

What is the prime factorization of 230