What is the arc length S what is shown below? The angle in the image is a central angle în radians.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)