Answer:
7x3=21
Step-by-step explanation:
7+7+7=21, 7x3=21
Answer:
20? i dont know hopefully im right
Step-by-step explanation:
Answer:
7:3
Step-by-step explanation:
Divide both sides by 4
Answer:
yes , This is an example of the associative property.
Step-by-step explanation:
Answer:
a segment cd only
Step-by-step explanation:
segment cd is the only line that passes through segment ab at a right angle