Answer:
=
Step-by-step explanation:
Simplify the fractions:
1/2 is already in simplest form.
(5/10)/(5/5) = 1/2
1/2 = 1/2 ∴ 1/2 = 5/10
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The sign of each Y coordinate changed
Here's what I did and I checked it So it is correct!!


25% is your answer.

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I hope that helps you!! Any more questions please feel free to ask!!
Answer:
-54.3
Step-by-step explanation:
4(1.5−6.2)−4.5−31
=(4)(−4.7)−4.5−31
=−18.8−4.5−31
=−23.3−31
=−54.3