A nail has a circular head with a diameter of 0.40 centimeters. What is the area of the nail's head, rounded to the nearest hundredth of a square centimeter?

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse