Answer:
382.5
Step-by-step explanation:
9x10=90
9x9=81
13.5x9=121.5
9x10=90
180+81+121.5= 382.5
Answer:
The first one would be corresponding angles postulate and the second one is linear pair postulate.
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
y=2×8+3
=16+3=19
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The one that isn’t rationals is B.