Radioactive iodine is used to determine the health of
thyroid gland. it decays according to the equation,
y de 4.03307, where t is in days. find the one-fifth life
of this substance. round to the nearest integer.

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Which of the following expressions is equal to 2x^2+8

It says factor each expression completely 8y+48