Answer:
An item in a set is called an element.
Step-by-step explanation:
I hope this helps.
Answer:
25/28
Step-by-step explanation:
28 is the greatest common factor, found by multiplying 7 by 4 (the denominators)
1/7 = 4/28
3/4 = 21/28
21/28 + 4/28 = 25/28
Commutative i believe <span />
Answer:
Yes. It is a rational number.
