The picture shows a barn door.
a barn door has two parallel bars, each of length 4 feet. a support ab runs across the diagonal between the two parallel bars. the angle made by the diagonal with the parallel bar on top is 45 degrees.
what is the distance bc between the two horizontal parallel bars?

What is the first step of an indirect proof of a number that is divisible by two

Which number line represents the solution set for the inequality - x 24?

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.