Answer:
multiply 3.135 inch by 20 miles and divide it by 1/2
Answer:
The y=2 because the line that is going through the graph, meets the y axis at 2
100 ft. because that's the max distance dolpions can see.
Answer:

Step-by-step explanation:
In order for the triangle to be a right one we need every side to be of the same length. see the photo for furyher explanation.