The mathematics department at a high school has twenty instructors. Six are easy graders. Twelve are considered good teachers. Seven are neither easy graders nor good teachers. If a student is assigned randomly to one of the easy graders, what is the probability that the instructor is also good? A. 7/12
B. 5/12
C. 7/10
D. 7/20
E. 5/6

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

() 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