2. if lines m and n are parallel in the illustration below. which of the following must be
true about 2t?
a. m2t = 200° - 95°
b. m2t = 180° - 950
c. m2t = 950
d. m2t = 900

 I don't know, but I know

Step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.