Answer:
the angle measurements of the polygon . angle A = 3x angle b=2x+10 Angle c =2x -15 Angle D =2x+5
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Step-by-step explanation:
The answer is A.
took the test im positive
B
=3+(-7)
=3-7
As 3 is a positive number(+), it is referred as it gained yards. 7 is referred as lost yards because it's a negative number(-).
Hope this will help ya!
just multiply 45 time 31!