The​ ​expected​ ​value​ ​of​ ​a​ ​dice​ ​game​ ​whose terms​ ​are:​ ​pay​ ​$2​ ​to​ ​roll​ ​a​ ​single​ ​die;​ ​win
$1​ ​if​ ​you​ ​roll​ ​a​ ​“1”,​ ​win​ ​$6​ ​if​ ​you​ ​roll​ ​a​ ​“6”

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.