The answer to this question would be: <span>D) square inches</span>
In this question, Alex needs to find the surface area of a shoe box. Surface area unit would be represented by "square" because it is 2 dimension. The unit "cubic" is used for volume which was 3 dimension. From here, the option A and C is out because it uses cubic.
The inch unit is better since it was smaller than feet. If you using feet square, the area of the shoe box will be small and it might be less accurate than using inch.
Answer:

Step-by-step explanation:
If train arrives between 2:00 to 3:00 (60min) and waits for 20 min and leaves, probability of finding train in that 60 min is
.
Probability of finding John is
can arrive any minute.
now the probability of finding both john and train is
*
=
.
This is compound Probablity Problem.
Answer:
f(x)=3x
Step-by-step explanation: