Answer:
The answer is 4
Step-by-step explanation:
2² = 2 × 2
= 4
(Correct me if i am wrong)
Answer:
The dimensions are (7m-3) by (7m-3)
Step-by-step explanation:
We have the area of the rectangular field to be:

We need to factorize this expression.
Let us rewrite to obtain:

We can easily see that the expression is actually a perfect square trinomial.
This gives us:

Or

Answer:
x = 9
Step-by-step explanation:
See the attachment for step-by-step
Answer:
The answer would be 23.
Step-by-step explanation:
All numbers with only two factors are prime numbers.
23 is the only prime number.