Answer:

Step-by-step explanation:
because i know math isn't wrong Hope this helps XD lol
Do you know what a preimage is first???
The answer to this is A and D. A and D are both rational because they contain repeating numbers.
B) could've been the answer but it doesn't show any repeating numbers
C) Doesn't have a repeating number.
So A and D are the answers. (if there is only one option for this answer then D should be the answer)
Hoped this helped :)
Have a great day
250 books in total. 15 times 10, plus the 100 on the shelves.
Answer:
∠g = 142°
Step-by-step explanation:
∠g = 180 - 38 = 142°