Answer:
True
Step-by-step explanation:
A parallelogram always has two pairs of opposite parallel sides with four right angles. Furthermore any polygon with 2 opposite pairs of parallel sides would be considered a parallelogram.
A. Second would be both u.s. and metric systems..
Step-by-step explanation:
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Answer: x = 1, y = -7
Step-by-step explanation:

Then substitute y=-7 in -4x=y+3

Order: (1,-7)