A rotating lawn sprinkler sprays water in a circular area of grass, as shown in the picture. the radius of the circular area of grass is 8 ft. Which measurement is closest to the area in square feet that this sprinkler sprays with water?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)