Can yall help me with maths I will give you the brainlis something soo

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5