F(x)=4cosx+2sinx is not sinusoid

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

According to the data set, where should the upper quartile line of the box plot be placed?