Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
Answer:
RESOLUTION
Step-by-step explanation:
Resolution is the smallest increment a tool can detect and display. For a nonelectrical example, consider two rulers.
45 minutes = 3/4 hours
so his speed = 6 / 3/4 kph
= 8 km / h Answer
You would use the distance formula
Hope this helped