What types of solutions can a system of equations have

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?

Line wx is parallel to line yz. if m