Answer:
you basically do the same things just backwards
Step-by-step explanation:
for example 9+9=18 well to double check your work all you do is flip to equation 18-9=9
Answer:
6+2-3
Becuz u immediately can do the problem with lower numbers which makes it easier than adding big numbers like 8+36
Answer:
x = 180 - (31 + 40)
Step-by-step explanation:
x = 180 - (31 + 40)
Answer:
The answer is B. squares.
Step-by-step explanation:
All squares are considered rectangles. Not all parallelograms are rectangles, and rhombi are not rectangles.
I hope this helped! :-)