please answer in c++

b. Based on the following array declaration and initialization, answer question i-iv. int numbers [3] [6]={{3,7,5,1}, {9,4,7,6,8,2}, {3, 8, 7, 2}}; How many elements does the array have? iv. Write a statement to store 11 in the last column of the last row in the array| (4 marks) ili. c Figure 2.1 shows incomplete program that will ask the user to enter 10 integer numbers into an array. Function avgArray ( ) calculate and return the average of the numbers. Write the complete program. #include using namespace std; // Write the function prototype here int main() { const int SIZE = 10; int userNums (SIZE); cout > userNums [count); } cout