A rectangle is placed around a semicircle as shown below. The length of the rectangle is . Find the area of the shaded region. Use the value for , and do not round your answer. Be sure to include the correct unit in your answer.

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

What are the soultion(s) to the quadratic equation 40- x^2=0

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m