And this one? Sorry I don’t understand fractions qwq

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

Select the quadratic that has root x = 8 and x = -5

Are the corresponding angles congruent? explain why or why not.