Answer:
Common differnece is- 4
the rate of change is- 4 over 1 which is simplified to 4
Step-by-step explanation:
sorry i dont know how to explain the bottom 2
The side of the square is √(196 ft²) = 14 ft. The garden has 4 sides, so the total length of fence needed is ...
... 4 × 14 ft = 56 ft . . . . length of fence
If a post is placed every 7 feet, there will be 56/7 = 8 posts
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One post is needed at each of the 4 corners, and one is needed in the center of each of the 4 sides.
12*2/7
24/7=3.42857143
3.4~