Answer:
The answer is three
Step-by-step explanation:
the 2 bottom angles equal to 180
Answer:
Figures A,D are polygons.
Reason:
Polygon is a closed figure with atleast three strange lines and angles.
Answer:
To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate.
Step-by-step explanation:
As an example, in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the unit rate.
Answer:

Step-by-step explanation:
+
( multiply
by 3 and
by 7 to get a common denominator)
+
= 