Joan went to her local zoo where 42.86% of it's exhibits featured canines. if the zoo features 21 in total exhibits in total, then how many of the zoo's exhibits feature canines? round to the nearest whole number if necessary.

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.