Answer:
4
Step-by-step explanation:
By intersecting chords theorem:

It’s 2/15
It’s just 2x1 and 3x5
Lilly should re-estimate the original numbers to be smaller.
for example if she rounded to 10 and 20, she should go back and check and re-round to maybe 8 and 10
Answer:
Identity property
Step-by-step explanation: because the product of any number and one is that number