Answer:
.2121/1000
42
Step-by-step explanation:
Answer:
he first one and the third one
Step-by-step explanation:
First it would be 135/1000. Then you'd have to simplify.
Simplified, it would be 27/200.
Just multiply the sum of the numbers then divide
Answer:

Step-by-step explanation:
A right triangle is formed.
300 miles and 400 miles are the legs of the triangle.
We can apply Pythagorean theorem.



