Answer:
(none, it's a word problem)
Step-by-step explanation:
they all have the same denominator.
I think the answer would be 19m+2
Hope this helps
9514 1404 393
Explanation:
As written, the equation is not an identity. Perhaps you want to show ...
(csc(x) +cot(x))² = (cos(x) +1)/(1 -cos(x))
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We will transform the left-side expression to the form of the right-side expression.

17y -24y +13y -y = 210
(17-24+13-1)y = 210
5y=210
y=42