Answer:
187
Step-by-step explanation:
Answer:
13.9
Step-by-step explanation:
Use the distance formula:

The square root of 193 rounded to the nearest tenth is 13.9.
Answer:
[1 , +∞)
Step-by-step explanation:

Answer:
144 
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
ABD-CBD=ABD
70-30=40