A bag contains 4 red marbles and 5 blue marbles. If two marbles are chosen at random, one at a time and without replacement, what is the probability of getting two red marbles?

A. 5/18

B. 40/81

C. 16/81

D. 1/6

There are 6 questions on a test: 2 of them are multiple choice questions and 4 are fill in blank ones. randomly select 3 from the test, what is the probability that there will be 1 multiple choice and 2 fill in blank type of questions?

Question #2) 7085g=_kg _g

On Decemeber 18th, there is a 75% chance that Santa will come to the mall that day and a 55% chance that your best friend will be at the mall. There is a 40% chance that your best friend will be there AND Santa will come to that mall.

True or false? in order to inscribe a circle in a triangle, the circle's center must be placed at the incenter of the triangle.

X + y = 24 3x + 5y = 100 What does the solution of this system indicate about the questions on the test?

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18