Answer:
12 (18+x)
Step-by-step explanation:
156 is even or odd number
Even number, it is divisible by 2
The answer would be y=-4 and x=4, so pick which ever number/letter has this answer.
13 times i think
You just divide 9.75 by .75 and you get 13
So.. in this case, the starting amount is the 500mg sample... and the rate of decay, negative rate, is 1%, and at the time, the elapsed days is 0, to t = 0, P = 400