Imagine that you are outside one sunny day and are standing 10 feet away from a tree that is 8 feet tall. Which function correctly represents the angle θ you make with the tree? A. sin-1(8/10) B. cos-1(8/10) C. tan-1(8/10) D. sec-1(8/10)

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

What are the excluded values? m+5/mn+3m