A radioactive material loses 50% of its mass after a certain amount of time known as its half life. Let p represent the number of half-lives, let q represent the number of seconds in each half-life, and let r represent the elapsed time in seconds. Which equations give the remaining mass, m, of a radioactive material with an initial mass of m0? Select all that apply.

Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.

Sorry guys but as you have a small brain

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.