need answers to all 3 questions please. I don't know how to perform these things yet.

7. Generate the following matrix without typing in each individual element. Utilize the colon operator, linspace, and other built-in MATLAB functions 1 14 715 3 28 7 26 5 42 737 7 56 7 48 8. From the above matrix, use MATLAB commands to find the elements (or series of elements) listed below a. 2 nd row, 3rd column b. 1 st row, 4th column c. All rows in 2nd column d. All columns in 3rd row e. All columns in 2 nd and 4th row f. All rows in 1st and 4th columns g. The 2nd through 4th rows in the 1st through 3rd columns h. The 2nd through 3rd rows in the 2nd through 3rd columns i. The 1st and 4th rows in the 2nd and 4th columns 9. Show your code and results for each of the following step a. Load A.mat (you can find it on Blackboard) b. Append a row and a column to the matrix c. Create a vector R consisting of a third row d. Create a vector C consisting of a second column e. Pick out the element in the 4th row and 5th column and save in variable E f. Delete the first row and the first two columns g. Find a transpose of your new matrix A