Randy is 6 feet tall, and casts a 7.5 foot shadow. find the angle of depression from the top of randy’s head to the tip of his shadow. round answer to the nearest tenth.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?