Answer:
The union is {1,2,3,4,5,7,9,10,12,13,15}
Step-by-step explanation:
Step-by-step explanation:
v=s/t
0<t represents ie s
Step-by-step explanation:
a)
Two of the three interior angles are known. Both are equal to 55°. This can be seen by looking closely at the picture. To find the third angle subtract the other two from 360°

b)
Do the same thing only afterward subtract the third angle from 180 to find the supplementary angle

B. 16.. because its in the middle