I believe it’s the first one. i’m very sorry if it’s wrong
Answer:
A) 5x-6y=3
B) 7y=2x+8
B) -2x + 7y = 8 then multiplying "B" by 2.5
B) -5x +17.5y = 20 then adding this to A
A) 5x -6y = 3
11.5y = 23
y = 2
x = 3
Step-by-step explanation:
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Option 2:
is the correct answer
Step-by-step explanation:
Given fraction is:

In order to simplify, we can see that the function is already in compact form
So,
We can simplify the given fraction.
We can see that the numerator can be further simplified

Hence,
Option 2:
is the correct answer
Keywords: Polynomials, expressions
Learn more about polynomials at:
#LearnwithBrainly
Answer:
sin (20) = - 2
/ 7
Step-by-step explanation:
1- Find the trigonometric values
Hope this helps :)