What 21 over 40 divided by
i’m

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.