Is there a picture of the question?
Answer:
361
Step-by-step explanation:
Multiply length x width to find area. 19 x 19 = 361
Square root of (5-9)^2+(1+6)^2
Answer:
(600 miles) / (3 hours) = 200 miles/hour
= 321.8 km/h
Answer:

Step-by-step explanation:
Pythagorean Theorem: 
In this case, a = 9, b = a, and c = 15.


The, we subtract 81 from both sides getting:
,
Then, 