What is the area of a rectangle with an area of 3.1 mm and a width of 2.4 mm

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 many solutions does the nonlinear system of equations graphed bellow have?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)