HELP PLEASE SCIENCE Which of the following is not part of cell theory?

1. Cells are the basic unit of life in all organisms.
2.All living things come from one or more cells.
3.All cells must be able to make their own food.
4.All cells come from existing cells.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83