Answer:
O.225
Step-by-step explanation:
Two negatives = positive
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, 
Answer:
505.8
Step-by-step explanation:
4215x0.12=505.8
You divide the distance (20 meters) and 30,000 joules and youll get the force. therefore the answer will be 1500 newtons