Lamar rented a truck for one day. There was a base fee of $20.99, and there was an additional charge of 81 cents for each mile driven. Lamar had to pay S224.30 when he returned the truck. For how many miles did he drive the truck? miles X Х ?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Which one ? is the answer and how to find this answer