Which reflection carries parallelogram QRST onto itself? A

reflection over side ST

B

reflection over the C-axis

С

reflection over the y-axis

D

reflection over diagonal RT

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Ineed i been stuck on this question since yesterday

Use the real number line shown below to complete the statement