− 10/1 ​ −x 3 +x 4 +3x

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In a school 2/3 of the students study a language of those who study a language 2/5 study french

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.)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?