Answer:
(2, -4)
Step-by-step explanation:
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<Jayla>
The first option,
both have to be negative, because they were originally both part of the one fraction, which was all negative.
Answer:

Step-by-step explanation:

Rewrite the expression

Add

Therefore,
is equal to
.
I hope this helps!
ns +sb = 5.4 cm
sb = en so en can be plugged in for sb
therefor es = 5.4