You subtract the biggest number from the smallest number...
21-13=8
Answer:
b
Step-by-step explanation:
Answer:

Step-by-step explanation:
we have that
The formula for the surface area of the enclosed space is

Solve for P
That means ------> isolate the variable P
Subtract lw both sides


Multiply by 2 both sides


Divide by h both sides


Rewrite

Answer:
sorry if im rong b
Step-by-step explanation:
2*5=10/3
10/3=3.33
two times 5 equals 10
1 times 3 equals 3
10 divided by 3 equals 3.33