PLEASE HELP 10 PTS A sphere with a volume of 900 cm^3 is dilated by a factor of 5/6. What is the volume of the scaled image? Express your answer to the nearest whole unit.

What is the number 321,000,000 in scientific notation? also what is the number? ?

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?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy