In the diagram below, what is the approximate length of the minor-arc DE?
O A. 47.1 cm
O B. 23.6 cm
902
15 cm
O C. 11.8 cm
O D. 19.7 cm

Sketch one cycle if the cosine function y=2cos2theta

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?