“Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.
1 A river boat can travel at 20km per hour in still water. The boat travels 30km upstream? [duplicate] apr 23 '13
0 The half-life of a radio active substance is 7.94 days. Originally there is 230g of this substance. How long before only 15g remain? apr 20 '13
0 Find surface area that lies above a triangle apr 18 '13
-1 Combinatorial Proof apr 18 '13