In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively What is the area of the shaded region?
А
40pi cm2
41pi cm2
8pi cm
80pi cm

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Use the distributive law to multiply. 3(4x + 5y + 6)