A tree diagram with outcomes G, B, G, B, G, B, G, B. The tree diagram shows the sample space for the possible genders of three children in a family, in order of age.

How many outcomes are in the sample space?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?