So if you have 192 marbles and you want to group them in groups of 15 marbles each
you would see how many times 15's there are in 192 or how many 192's would go into 15
so 192/15 or
12 and 12/15
if A= 4x^2
then x = sq root (A/4) = (sq root A)/2... 3rd option
Answer:c
Step-by-step explanation: