Centimeters = inches * 2.54
9 inches is equivalent to 9*2.54 = 22.86 centimeters
Answer: 
pairs
Step-by-step explanation:
Given
Profit on selling 'x' pairs of shoes is 
Find the derivative of the function to find out the critical points
Thus, for 4 pair of shoes profit is maximize.
Answer:
390 mins (or) 6 hours 30 mins
Step-by-step explanation:
7 hours = 420 mins
420 mins - 30 mins = 390 mins
390 mins = 6 hours 30 mins
Have a nice day!
Yes.
27/51-18/34=0
if something minus something is zero, then the 2 numbers subtracting each other are equal. :)
Answer:
162
Step-by-step explanation:
324/2 because a square has sides that are all equal, so the area is 2 times the length of a side
