Answer:
4x+2
Step-by-step explanation:
Perimeter = 2(width) + 2(length). So 12x+4 = 2(2x) + 2(length) .
12x+4 = 4x + 2(length) then subtract 4x from both sides to get 8x+4 = 2(length). In order to get length by itself you need to divide both side by 2.
4x+2 = length. Hope this helps!
The answer is the first one because 4 feet 5 inches times 40 is 176 feet and 8 inches
Answer:
Step-by-step explanation:
A, x=31
E, b=11
N, m=61
Y, b=15
I, a=80
G, k=-78
U, x=-13
R, u=88
O, y=13
A, w=104
H, d=-7
V, n=1/36
Sorry, don't want to give away all the answers!
Hope this helps!!!
Answer:
x² +18x +81
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(x+9)² = x²+9²+2*x*9= x² +18x +81
