Answer:
Since
and
, then the quadrilateral ABCD is a parallelogram.
Step-by-step explanation:
First, we label each point of the quadrilateral with the help of a graphing tool. If the quadrilateral ABCD is a parallelogram, then
and
. If we know that
,
,
and
, then the measure of each vector is, respectively:








Since
and
, then the quadrilateral ABCD is a parallelogram.
Answer:

Step-by-step explanation:
Expand the binomial and collect terms.
Finding slope?
5. Slope is 5/3
6. Slope is 7/3
7. Slope is -3
8. Slope is 7/3
Just do rise/run
D. combine like terms, 4+7 is 11 and -3 and -10 is -13
They need to buy six because they will end up with fifty four.
(they cant buy five because they would end up with forty five and that wouldnt be enough)