A triangle has sides of length 8,11 and 15 find the perimeter of the smaller triangle formed by connecting the midpoints of the sides of this triangle

Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7

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.)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left