Questions are in the picture below, the letter z in the paper has a -

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32) Use the inverse matrix method to solve following system of equations ( note: use the Gauss- Jordan elimination method to determine the required inverse matrix) X +27 = 6 2 y-2=3 xty - 2= 5 6) Evaluate the following determinant ; NW NOIN 62) Solve the following differential equation; Q1 =8-2Q given L=50 when Q= 1 b) The population ( P) of a small town is currently 8 million ( that is , when t = 0, P= 8) It is expected that this population will grow according to the differential equation : dP at = 0. 035 p where t is measured in years. double How many years it will take for the population to double