N = ((n-1) + 4) + 4, to my understanding.
although your answers seem right written in the columns, but your method of applying numbers to equation seems incorrect in 'expand' column. for example, answer for 3 should be something like this...
3 21 17+4
4 25 21+4
hope it helps.
Answer:
n = 20
Step-by-step explanation:
hope this help you ! ;)))
The answer is 17.5 divide 70 by 4 that’s what u get them multiples 17.5 by 4 to check your answer
Answer:
94.8
Step-by-step explanation:
Aera is : length *width
75.2 = 0.8 * x then x =94
Perimeter is : length + width =94 +0.8