Find the sum of the first 10 terms in the series: -3, 9, -27,

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

Sum is 17 and their difference is 3

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?