Which of the following lines has a slope of -1/2?
x + 2y = 0
-x + 2y = 0
x - 2y = 0

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Which expression will have the same sum as 3_8 + 1/4?

I'm confused on this could anyone me and show me what i need to do to solve it.