A group of 20 people have gotten together to play baseball. They will divide themselves into two teams of 10 players each, with one team wearing green uniforms and the other wearing yellow uniforms. In how many ways can this be done?

Which of the following graphs represents the function f(x) = 2^x

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Need so much on this one how many yards?