What is the range of the function y=3/x+8?

What value of x will make the triangles similar by the sss similarity theorem?

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?

Is the power produced directly proportional to the wind speed, give reasons for your answer?