5th grade math. correct answer will be marked brainliest.

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

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

Percent increase and decrease. original number: 45 new number: 18