Answer:
1/4 or 0.25
Step-by-step explanation:
I did this on a graphic calculator so i can't really explain, but I hope this helps! :)
Answer:

Option D is the correct option.
Step-by-step explanation:

When there is a ( + ) in front of an expression in parentheses , there is no need to change the sign.
That means, the expression remains the same.
Just remove the unnecessary parentheses
⇒
Collect like terms and simplify
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Hope I helped!
Best regards!!