please help me logic design

Digital Logic Design Q12. For a Decoder 3x8 find the following 1. Give the truth table and the Boolean expression (Equation) of it. 2. Draw the logic circuit of this 3 to 8 Decoder using basic logic gates (OR, AND, NOT) ForCNE 20 Digitale De Q13. Draw D- flip flops and write the characteristic Characteristic equation for it Q14. For J-K flip flop. ) A- Design J-K flip flop using D-flip flop. K course: CNE 261 Digital Logic Design B- Find the characteristic table of it and characteristic equation C- Find the excitation table of J-K flip flop. Dil Logic For CONECNE 26/ Q15. Draw T- flip flops and write the characteristic table ang Characteristic equation for it