Answer:
a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11).
Step-by-step explanation:
This is completing the square:
(x^2+12x+36)+42-36
Answer: (x+6)^2 +6
Pt=6.245cm, working shown in photo
2 to the second power is 2 x 2 (4) , and 2 to the 3rd power is 2 x 2 x 2 (8)
