What size is the paper I don’t have a ruler

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?