Are these ratios equivalent? 195 : 156 and 30: 24 yes or no

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.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.