Answer:
it is 25 ft
Step-by-step explanation:
you just add 7.7+7.7+4.8+4.8 to get 25
Answer:
2.646
Step-by-step explanation:
You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646
Answer:
81
Step-by-step explanation:

9 x 9 = 81