Answer :
I do not have time to do all of these right now but here are functions for the first 2 in javascript
//my test array
let arr = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
function min(arr){
let high = arr[0]
for(i in arr){
if(arr[i] < high) high = arr[i]
}
return high
}
function max(arr){
let high = arr[0]
for(i in arr){
if(arr[i] > high) high = arr[i]
}
return high
}