I need help with this math question

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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?

Solve the triangle. a = 21°, c = 105°, c = 5