There are nine women and eight men on a committee. A subcommittee of three people is selected at random. What is the probability that all three people selected are women, given that all three are the same gender?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.