Consider event A and B. What is the probability that event B occurs, given that event A has already occurred?

In geometry a train metal tracks and Wooden ties would be Parrell, Skew, perpendicular or none?

A two-person team is being chosen from two different groups. Group 1 has 5 males and 3 females. Group 2 has 7 males and 8 females. One person is chosen at random from each group. What is the probability that the team consists of two females?

What does the expression 2 (21x + 75) represent

Mike won 70 lollipops playing horseshoes. At school he gave 3 to every student in his math class. He only has 4 remaining. How many students are in his class?

Which fraction is equivalent to 0.18 repeating? 18/99 9/50 1/18 1/8

61/2 tax rate expressed to a decimal

3x-5y+6z=4 x-3y+5z=-5 2x-4y+z=13

Find the center and the radius of the circle with the equation x^2+6x+y^2+4y+10=1

Divide X+2/2x^2+7x+7

Each child in a class needs 5 exercise books and 4 pencils. If there are 30 children, how many exercise books and pencils are needed? Exercise books= Pencils=