NEED HEELP!!

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school