Which expression is equivalent to (xy)z?
o (x+y)+z
O2z(xy)
O x(y+z)

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?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4