The half life of a medication is the amount of time for half of the drug to be eliminated from the body. The half life of Advil or ibuprofen is represented by the equation R= M(0.5). where R is the amount of advil remaining in your body after hours and M is the initial dosage. if a 500mg dosage is advil was taken, how many milligrams of the medication will remain in the body 12 hours later?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11