290, 9 - 0 = 9
BOOM your welcome
Answer:
The first one is c
Step-by-step explanation:
Would assume cd means c*d
c*d is commutative because:
c*d = d*c
The result in multiplication is the same, irrespective of which comes first.
Answer:
3 times a number (3x)
Step-by-step explanation: replace the phrase 'a number' with the variable X. then you simply end up with 12x-9x, which equals 3x.
