Answer:
true
Step-by-step explanation:
because CD divided AB into equal halves, so they are of course perpendicular.
Answer:

Step-by-step explanation:
Move
to the denominator in 
using the negative exponent rule 
Answer:
4
Step-by-step explanation:
4x=16
x=4
Answer:
Step-by-step explanation:
1)=-2
2)=18
3)=2.5
Answer:
It is a diagnal line that goes through (0,0) and (1,1) and has a slope of 1
Step-by-step explanation: