5e+1=) what is the answer and show your work

What is 20+(5 x 2/5 )+ 3 show your work

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.

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?