There is a 50% chance that someone reaching in a bag of marbles will pull out a purple marble, a 20% chance he or she will pull out a

green marble, and a 30% chance he or she will pull out a red marble. Is it less likely that a person will pull out a green marble or a purple

marble?

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

Which of the following shows the length of the third side, in inches, of the triangle below

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0