A right rectangular prism is shown. The two dimensional net is also shown. Find the surface area of this prism. A)
20 cm?
B)
36 cm2
C)
54 cm2
D)
58 cm?

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?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?