Answer: Undefined
Step-by-step explanation:
(slope = m)

(3 divided by 0 is undefined, so the slope is undefined)
Number 2 for question 1 and number 4 for question 2
Answer:
36
Step-by-step explanation:
Use pythagorean theorem
side 1 = 9
side 2 = 12
9^2 + 12^2 = third side ^2
third side = 15
9+12+15 = 36
Hope this helpful!!!!! :)