which of the pairs of expression are equivalent? A ( y - 9 ) - 8 and y - ( 9 - 8 ). B ( d divided by 8 ) divided by 4 and d divided by ( 8 divided by 4 ). C x . ( 5 + 2 ) and ( x . 5 ) + 2. D ( k .18 ) . 0.5 and k . ( 18 . 0.5 ).
The pairs of expressions that are equivalent are:
A) (y - 9) - 8 and y - (9 - 8)
B) (d ÷ 8) ÷ 4 and d ÷ (8 ÷ 4)