At a book sale, your sister uses an equal number of quarters and nickels to buy a $1.20 book. how many quarters and how many nickels does she have?

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.