The number of marbles of different colors stored in a hat is listed below: 1 red marble 8 green marbles 9 blue marbles without looking in the hat, ray takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that ray takes out a blue marble in both draws? fraction 1 over 9 fraction 1 over 8 fraction 1 over 4 fraction 1 over 2

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0