Which expression is equivelent to 4^4 x 4^-9?

4^13

4^5

1/4^13

1/4^5

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

Brent wants to know what is 5 x 1/2

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?