Pls help I really need it

Acaterpillar started at point (−2.5, −5.5) on a coordinate plane. she crawled in a straight line through the origin to point (45, y). what is y?

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?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?