Answer:
Option A
Step-by-step explanation:
We can try to factorize all the options one by one.
For A:

We can see that the quadratic expression cannot be solved by factorization as the factors at the end of factorization are not equal in both brackets. So Option A is the correct answer for the given question.
Moreover we can also note that all the other quadratic expressions can be factorized ..
Her teacher would be 42. you would take 14 * 3 and get the teachers age.
Answer:
You would need 64 pounds.
STEP BY STEP EXPLANATION:
4 pounds covers 434 sq ft
434 goes into 6944, 16 times
16 x 4 = 64
I hope this helps :)
Have a nice day!