Answer:

Step-by-step explanation:
The given equation in rectangular coordinates is;

We use the relation;

and

This implies that;


Divide through by r to get;

Divide both sides by 

Answer:
The answer to your question is C
Just try it out
- have a nice day, be safe & healthy -
- peace out -
Answer:
16 per hour
Step-by-step explanation:
12/45 x/60 cross multiply
45x=720 divide by 45 from each side
x=16