How to write 30+54 in distributive property in an easy way

Which fraction below is equivalent to 10/12?

Need solving this second acceleration problem.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?