Answer:
5
Step-by-step explanation:
Answer:
D. Undefined
Step-by-step explanation:
It is a vertical line so it has no slope.
Answer:
x=8
Step-by-step explanation:
start by setting angle a equal to angle b
next add 21 to the opposite side
then subtract 2x from the opposite side
finally you're left with x=8
The x-intercept of CD=18/5,0
Point lies on CD=32,-71