8 7/10 as a improper fraction is 87/10
Answer: Y = X + 5.
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Answer:

Step-by-step explanation:

Answer:x=90° y=58° z=32°
Step-by-step explanation:
x=90
y=180-(90+32) sum of angles in a triangle is 180
y=58
y+90+z=180 they are supplementary
58+90+z=180
148+z=180
z=180-148
z=32
I am bad at Common Core (I was good before, but not anymore) so I am saying none of the above