A: Perimeter = 2*length + 2*width = 2x^2 + 14x + 4
B: Area = length*width = 4x^3 + 12x^2 + 8x

Substitute the values of A = 3 and B = -4 to the expression:
Answer: 1/3
Step-by-step explanation: Since 1/1 = 2/2 = 3/3 etc. we can change the answer into 3/3 grams. Then we divide that by 3 which is 1/3. (Sorry if I’m incorrect)
Answer:
26 ft
Step-by-step explanation:
10 + 3 + 10 + 3 = 26