Cuanto es -6+{-2+3[2(5+2-6-4)-(7-4-6)+(-7+2+3 )]-4}+5

alguien me ayuda porfavor :'c​

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.