What is the answer for 123456

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?