Aradioactive 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?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Use this graph to find the cost of 6 show tickets