X^2 - 8x = (x - 4)^2 - 16
we add 16 to give x^2 - 8x + 16 which is a perfect square
x^2 - 8x + 16 = (x - 4)^2
answer is 16
Answer:
B
Step-by-step explanation:
is the only one with a constant rate of change which would be -2
Answer:
"There are two laws of floatation. The first one states that the weight of a floating body is equal to the weight of the liquid displaced. The second one states that the centre of gravity of a floating body and the centre of buoyancy are in the same vertical line." - quora
Step-by-step explanation:
Answer:
30 minutes / half an hour
