Counting outcomes. No links and please if you have a question about my question ask in the comments

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

Ineed to find the answer to number 2

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?