Posted by yasha on .
Suppose the lengths of the four side of a quadrilateral are represented by the expressions 3a, a+2, 2a-1, and 3a+6. write the sum of the lenghts (the perimeter), and then simplify.
HELP WITH ALGEBRA!!!!!!! -
please do not post multiple times, it just slows down. Putting your cries in the subject line slows getting an answer. Most Math teachers answer the ones titled math first.