A circle with radius of 2cm sits inside a circle with radius of 4cm. What is the area of the shaded region?

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?