A bag contains 9 blue marbles and 36 green marbles. If a representative sample contains 3 blue marbles, then how many green marbles would you expect it to contain? Explain.

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5