Answer:
-5
Step-by-step explanation:
x-6
(x-5)(x-6)=x^2-11x+30
-6*-5=30
(-6)+(-5)=-11
a: AB is perpendicular to CD
b: AM is equal in length to BM
A, C, E, F
Explanation:
equal on both sides
y=4
4y + 3 =19
4y = 16
y= 4