What’s 4 divided by 4

Given this information, which expression must represent the value of b?

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

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?