Three members d, m,n are in the ratio 3:6:4.find the value of 4m-m over m+2n​

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?

An angle that measures between 90 and 180° is called a(,

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.