EMERGENCY PLEASE HELP!! Substitute the value of y from the first equation into the second equation.

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?

How much orange juice do you need to make 2 servings of lemony orange slush?

Ineed with this problem 21 show steps