Which is the best way to simulate 3/5 chance of snow. - flip a coin ?

- roll a die ?

- pick a marble out of a bag containing 3 white marbles and 2 black marbles ?

- pick a marble out of a bag containing 3 different color marbles ?

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.