please solve it with assembly language and quicly with clear hand write

Q8. Find the baud rate for the following if XTAL = 16 MHz and SMOD = 0 a. MOV THI, #-10 b. MOV THI, #-180 c. MOV TH1, #-200 Q3. Write a program using Interrupts to get Data serially and send to P2 while at the same time Timer 0 is turning ON and OFF the LED connected to P1.6 every second Q6. Write an 8051 program to transfer serially the message "February 25 & 26" continuously at a 57600 baud rate