6
8
6
2
hope it helps i think that is answer
(2B +5A)/7 = (2(-2, -12) +5(-9, 2))/7 = (-4-45, -24+10)/7 = (-7, -2)
Selection B is appropriate.
A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
hope that helps
first is 86
we know because of the sum of the interior angles of a triangle being 180, and that 5 + 6 =180
