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

Six (I’m putting this because there is a there is less than 20 characters)
Answer:
Step-by-step explanation:
Ok. What is it
Should there be a graph or something? Or an equation?
Answer:
B. It is the quotient of 19 divided by 100
Step-by-step explanation:
A rational number is the quotient of two integers. 19/100 is the quotient of the integers 19 and 100.