Is there supposed to be parentheses?
Answer:
will any girl be my gîrlfriend?
It would be 28-10=x because your ending up with 28 after earning 10 you would get that. Hope this works!
Alright, lets get started.
The answer Sandra got is correct that is zero but there are some mistakes she made while writing steps.
Incorrect step
Because as per even/odd identity,
Cot (-Θ) = - cot (Θ)
Hence

Now,
It could be written as


0
Hence the answer is 0. : Answer
Hope it will help :)
8cm
6/3=y/4 ________ cross multiply
3y=24 ________ divide by 3
y=8