katieMarieDev 
CHALLENGE: Sum Mixed Array Given an array of integers as strings and numbers, return the sum of the array values as if all were numbers. Return your answer as a number. PREP Parameters An array of integers as strings and numbers. ex: [9, “9”] Positive, whole numbers only Returns The sum (as an integer) of … Read more
CHALLENGE Array Combinations You will be given an array of arrays and your task will be to return the number of unique arrays that can be formed by picking exactly one element from each subarray. For example: solve([[1,2],[4],[5,6]]) = 4, because it results in only 4 possibilites. They are [1,4,5],[1,4,6],[2,4,5],[2,4,6]. Make sure that you don’t count duplicates; for example solve([[1,2],[4,4],[5,6,6]]) … Read more
CHALLENGE: Square(n) Sum Complete the square sum function so that it squares each number passed into it and then sums the results together. For example, for [1, 2, 2] it should return 9 because 1^2 + 2^2 + 2^2 = 9. Let’s think through it together! Whenever you see a problem that is taking in an array, and you’re having … Read more