A bag contains 6 blue marbles, 10 red marbles, and 9 green marbles. If two marbles are draw at random without replacement, what is the probability that two red marbles are drawn?

A) 4/25

B) 3/20

C) 18/125

D) 1/6

Geometry - true or false - After we prove that a theorem is true it becomes a definition

Consider the functions f and g below. f (x) = x+4 g (x) = (5/4) ^x Based on the graph of the functions, which of the following statements is true?

Which of the following statements is correct regarding the standard normal distribution? A) It is also called the z distribution. B) Any normal distribution can be converted to the standard normal distribution.

What is a theorem called before it is proven? postulate proposition contradiction tautology

Which expression is equivalent to 128x8,329? Assume y20 and 720

The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?

What is the slope of the line through (6,9) (6,9) left parenthesis, 6, comma, 9, right parenthesis and (7,1) (7,1) left parenthesis, 7, comma, 1, right parenthesis?

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long?

The mean score of a college entrance test is 80; the standard deviation is 15. the scores are normally distributed. what percent of the students scored below 50?

Khan academy creating box plots