(-4)-(-2)-{(-5)-[(-7)+(-3)-(-8)]} Solve

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only