Medicine Erika takes 400 mg of Tylenol
for a headache. Every hour, the
amount of medicine left in her
bloodstream is divided by 2.
x=the number of hours since she
has taken the Tylenol
y = the amount of Tylenol
remaining in her bloodstream
Reasoning:

Is a positive integer raised to a negative power always positive

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Polygon abcd is a rectangle what is the area