4x-y=24

complete the missing value in the solution to the equation _,8

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

What is sin 7x/4 ? i need on this urgent trig

What are the domain and range of the function f(x)=2^x+1