Answer:
a; r=1 is the answer
Step-by-step explanation:
Answer:
1578/1
Step-by-step explanation:
Because, it would still simplify to 1578.
Answer: It is a composite number since it has more factors than just itself and 1.
Step-by-step explanation:
1x20=20
2x10=20
4x5=20
<span>Addition Property of Equality
hope that helps</span>