The table below shows the number of diagonals in certain polygons. Which expression describes the number of
diagonals in a polygon with n sides?

Please help I really need it I’ll give brainliest

What is the function of the organelle labeled a in the diagram?

Question 2(multiple choice worth 10 points) kate’s mom wants to quiz her on science terms even though kate has already studied. this is an example of wasting talent getting distracted allowing others to set goals

1. the community center is putting on a play. there are several things the crew has to create for the scenery. (a) they spent $6.17 on each of 4 poster boards. how much did they spend on poster boards in total? show your work. (b) they spent $200.20 total on new lighting. each of the four lights cost the same amount. how much did they pay per light? show your work. (c) if the total budget was $300, how much more can they spend? show your work.