It would be C, because a straight line equals to 180 degrees, and since 3 is 86, and lines m and n are parallel, 180-86 = C.94. Hope this helps!
Answer:
C. 5
Step-by-step explanation:
Mean: Numbers over amount of numbers
(2 + 4 + 5 + 6 + 8)/5
25/5
5
z equals -1 because 8 time negative one equals negative 8 plus 8 equals 0
