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show that (a intersection b complement) complement union (b intersection c) = a compliment union b union c by venn diagram of set theory

One stores wheat at a cost of \$.15 per bushel, and the other stores corn at a cost of \$.20 per bushel. The bin storing the wheat has a square base 80 ft on a side and is 120 ft tall. If the cost of...

There are some pencils and erasers on a box. If there are 12 pencils and the ratio of pencils to erasers is 3:2, how many erasers are in the box?

The example in my textbook is not clear at all, so if you don't mind also explaining how to do this so I may do the other questions on my own, that will be great.   an = an - 1 +...

Martin has a monthly income of \$4,700. Martin does not have to pay taxes on the first \$2,400 he earns, but he paid a tax of 15 percent on his remaining income. How much did Martin pay in taxes?

Robert weighs 144 pounds one month before he plans to run a marathon. If he loses 3 percent of his weight while training, what is his weight on the day of the marathon?

Julio sold 2 packages of tulip bulbs and 2 packages of crocus bulbs for a total of \$44. Asanji sold 12 packages of tulip bulbs and 10 packages of crocus bulbs for a total of \$238. Find the cost each...

A car travels the first 1/3 of a certain distance with speed of 10km/h the next 1/3 distance with a speed of 20km/h and the last 1/3 distance with a speed of 60km/h the average speed of the car for...