Answer:
4 and 5
Step-by-step explanation:
We know that.
√16 < √21 <√25
⇒4 < √21 < 5
Hence √ 21 lies between 4 and 5
Answer:15
10+5
15 × 6/100=0.9
15+0.9=$15.9
2 is a number and "twice a number" means multiply by 2.
Answer c would be the answer hope it helps
Step-by-step ex planation:
