Which of these describes a unique polygon? A. A triangle with angles 30° 30 ° , 50° 50 ° , and 100° 100 ° B. A quadrilateral with each side length 5 cm C. A triangle with side lengths 6 cm, 7 cm, and 8 cm D. A triangle with side lengths 4 cm and 5 cm and a 50° 50 ° angle.

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

i dont know

step-by-step explanation:

it's a proportional graph.

step-by-step explanation:

8 x 5 = 40         (and you have -8x and -5y)

x= absiss

y= orderly

so you have a proportional graph.