Would appreciate it if these can be shown how it's done, very confused.

Please show all your work in calculating the answer to these questions. Credit Will NOT be given for answers provided without showing how the answer was arrived at. A). Using signed magnitude representation, what is the largest positive integer value that can be stored in 8 bits? B). Using signed magnitude representation, what is the smallest integer value that can be stored in 8 bits? C), what is the range of integer values that can be stored in "n bits using signed magnitude representation? D). What is the range of integer values that can be stored in 8 bits using signed magnitude representation? E). How many integer values can be stored in 8 bits using signed magnitude representation