I have a whole study guide due at 7:30 and its on geometry

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

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?

What is the domain of the step function f(x)=[2x]-1?