Answer:
15
Step-by-step explanation:
120+330=450
8+22=30
per minute->450÷30=15
B? I believe? sorry if it's wrong
Answer:14
2:3
14:21
in 14 their is 2 7's
in 21 their is 4 7's
Answer: centimeter
Identity property
Step-by-step explanation: because the product of any number and one is that number