60 inches because the square has 4 sides so 4x2 is 8 and 52+8 is 60.
Given :
Distance covered by object , D = 63 cm .
Time taken to cover distance D , t = 2 days .
To Find :
The speed of object in m/s .
Solution :
First we will convert all units into m and hours .
D = 63 cm = 0.63 m .
.
Now , speed is :

Hence , this is the required solution .
Answer:
2.50
Step-by-step explanation:
4.50 divided by 9 is .50 5 times .50 is 2.50
Answer:
D. 16
Step-by-step explanation:
GE = 9 + x - 2 = 9 + 9 - 2 = 18 - 2
GE = 16
Answer:
A. 
Step-by-step explanation: