What is the answer for all of them i don't know what to do

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.