Someone please help!!

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?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

What is r i 4.5+10r=-6.5 with work pls