He bought 3 small notebooks (3*7=21) and 3 large notebooks (3*10=30)
21+30=51
Answer:
b < 50. The solution has infinite solutions because any number smaller than 50 would work, and their are infinite numbers smaller than 50.
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
The GCF is what they all have in common.
2x is the only thing they ALL share.
Answer:
1. The second number line, the third number line, the first number line.
2.


