Pedro was assigned to find out how much of 12 grams of radioactive isotope Francium-222 would be left after a period of time. Its half-life is 15 minutes. How much remained after 50 minutes?

Plz, ! the box plot below shows the total amount of time, in minutes, the students of a class surf the internet every day: a box plot is shown.part a: list two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points) part b: calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points) part c: explain what affect, if any, there will be if an outlier is present. (2 points)

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?