Wanna take a test.... just because..?

this one seems a bit more up my alley1. a
2. d
3. c
4. c
5. none of the above. x = 0.05. if y / x = 1 then y=x
6. c
7. b
8. d
9. c
10. a
11. d
12. a - though it could be d (abe: c), depending on the measurements of the lengths a and b
13. d
14. d
15. c
16. a
17. b
18. a

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I was unsure of a couple of them, but am confident I got them mostly if not all right. I did the maths in my head - so that will be my excuse for any howlers.Edited by Modulous, : No reason given.

Modulous says: I was unsure of a couple of them.
Nem says: You got a couple wrong.Damn I'm good