Answer:
B) supplementary angles
C) straight angle
Step-by-step explanation:
There is a straight line, and when an angle is a straight it means its 180 degrees which makes it a supplementary angle and a straight angle.
There are no angles that are 90 degrees so its not complementary or a right angle.
Answer:
The choice Draw 2
Step-by-step explanation:

I hope I helped you^_^
Answer: 10.5
Step-by-step explanation:
Hope it's right!
Using the metric system, a gallon is equal to 16 cups.
Therefore, there are 16 cups in a gallon of milk.
I hope this helps a lot! :)