Stuck on this question. Need help! (Will mark as Brainliest if correct)

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

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

The trigonometric ratios sine and secant are reciprocals of each other