A sidewalk of uniform width is built around three sides of a rectangular lot (one of the shorter sides is left alone). The dimensions of the lot are 30 x 10 ft. The total area of the lot and sidewalk is 582 ft^2. What is the width of the sidewalk?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

Find the sixth term of the following geometric sequence.