Given that sin^2 θ + cos^2 θ = 1. sin θ = -√2 / 5 and theta lies in quadrant IV find the value of cos 0?

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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?