Answer:

Step-by-step explanation:
Regular coordinates (x, y)
Polar coordinates (r, φ)

We have the point

Substitute:

Answer:
It would just be plainly:
x < 5
Reason:
The absolute value of ANYTHING is positive, so you just drop the brackets to find the answer.
It’s 20
i’m not sure if you meant to put 20 or 21 but the answer is 20
Answer:
Could you send a picture of the work please!
Step-by-step explanation: