Using identities, find a)(2 + 3) 2 b) (x+2y) (x-2y)

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).