You have to collect like terms that means group the numbers that have the same variables
After the data was recorded in the dot plot, another response was found for a participant who watches 30 hours of television eac
h week. How will this additional data point affect the mean number of hours of television watched each week? OA The effect on the mean number of hours cannot be determined. OB. The mean number of hours will remain the same. O c. The mean number of hours will decrease. OD. The mean number of hours will increase. please help 
1 answer:
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Answer:
Option (B). Perimeter of the quadrilateral ABCD= 14.6 units
Step-by-step explanation:
From the figure attached,
Coordinates of the vertices are A(3, 5), B(1, 3), C(3, -1), D(5, 3).
Length of AB =
=
=
= 2.83 units
Length of AD =
=
= 2.83 units
Length of BC =
=
= 4.47 units
Length of DC =
=
= 4.47 units
Perimeter of the quadrilateral = AB + AD + DC + BC
= 2.83 + 2.83 + 4.47 + 4.47
= 14.6 units
Option (B) is the answer.