I think its 672 because * hrs a day is 56 and when you multiply that by 12 its 672<span />
The reflected points would be (-3,-7)
The x coordinate would stay the same but the y-coordinate would be the opposite
It is well simples, look:
Answer = (6w + 3) - ( w + 4 )
A = 6w + 3 - w - 4
A = 6w - w + 3 - 4
A = 5w - 1
Thsi is the answer to the your question