Answer:

Step-by-step explanation:
The general equation for a circle is

Where a and b are the x and y values of the centre. So comparing to your equation you can see that a is 2/3 and b is 0
Sherman’s rate would be 17 1/4 miles per hour
Answer:

Step-by-step explanation:
Given


Required
Find CD
This question is represented with the attached triangle
To solve CD, we make use of tan formula.

Substitute 12 for DE

Make CD the subject


--- approximated
What do you mean? Do you have a picture of them problem