Answer:
0
Step-by-step explanation:
The slope formula is (change in y)/(change in x)
since the numerator (change in y) is 0, the slope will be 0
23 for 5=6
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
It makes sense because it goes down one by one in both the input and output values
Answer:
5. D (4,6)
6. B (7.8)
Step-by-step explanation:
5. Add the two X coordinates (6+2) and divide that by 2 (8/2=4), do the same for the two Y coordinates (4+8=12, 12/2=6)
6. Use the distance formula 
Input the coordinates 
Answer:
z = 137°
Step-by-step explanation:

Hope this helps