Answer: 49
Step-by-step explanation: 7 • 7 = 49 so 49 can be a perfect square! Hope this helps! The others can’t be rational squares because they are all irrational!
Answer:
t=9
Step-by-step explanation:
Step-by-step explanation:
not always they are coplanar
Answer:
considering the fact that each person paints 1 wall. as 9 person's paints 9 walls then we can say it takes 41 min to paint a wall by a person then
it would take 41 min to paint 14 wall by 14 person