Perimeter of 40 triangles when the sides are all 1 cm long

Assemble the proof by dragging tiles to the statements and reasons column

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?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76