It's C and A since .2 times 30 is 6 and 1/5 is also .2
Sorry, I think you forgot the photo of the problem
Look at the picture.

We have the right triangle x, y and r. From the Pythagorean theorem we have:

We have the point

Substitute:


Answer:
its is C because the other ones are obvious wrong. So it has to be C plus i did this test.
Step-by-step explanation: