Confusing question but I would get 0, as if you have 4cm, that squared = 16cm^2. Therefore if it were increasing anymore, then you would not be able to get a value of 16.
A) x=4
B) x= -3
C) x= -1/6
D) x=24
Answer:
D . 9 .1/13
Step-by-step explanation:

The answer is b. k=64 t=52
If it is 40% off, then u are paying 60%
0.60(20) = 12 <== on sale, it is 12 pounds