I think its 8? someone correct me if im wrong.
Answer:
a: AB is perpendicular to CD
b: AM is equal in length to BM
Number 2 is x> -2 hope this helps a little
Answer:
r = t - u - s
Step-by-step explanation:
To solve for r in terms of s, t, and u, means to have r on one side and have t, u, and s.
t = u - s + r
t - u = s + r
t - u - s = r