Sigh can anyone help ACTUALLY instead of of just saying random stuff

Which of these choices show a pair of equivalent expressions?

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.