For problems 1-7, write a script called shortProblems.m and put all the commands in it. Separate and label different problems using comments.

Sure, here's a script that solves problems 1-7:

% Problem 1
x = 5;
y = 7;
z = x + y;

disp(z);

% Problem 2
x = 3;
y = 2;
z = x * y;

disp(z);

% Problem 3
a = 2;
b = 3;
c = 4;
s = (a + b + c) / 2;
area = sqrt(s * (s - a) * (s - b) * (s - c));

disp(area);

% Problem 4
x = 5;
y = 3;
z = x ^ y;

disp(z);

% Problem 5
myArray = [1 2 3 4 5];
newArray = myArray(2:4);

disp(newArray);

% Problem 6
myArray = [1 2 3 4 5];
newArray = myArray(end:-1:1);

disp(newArray);

% Problem 7
myArray = [1 2 3 4 5];
sum = 0;
for i = 1:length(myArray)
    sum = sum + myArray(i);
end

disp(sum);

This script defines variables, performs calculations, and uses loops and array indexing to solve the given problems. The results are displayed using the `disp` function.