Convert the following infix expressions into polish notation
i. 1 + ( 2 * ( 3 + 4 ) )
ii. 1 + ( ( 2 * 3 ) + ( 4 * 5 ) )

The place where the extended axis of the earth would touch the celestial sphere is called the celestial

Which finger presses the h key on the keyboard? index finger on the left hand pinky finger on the right hand index finger on the right hand thumb on the left hand

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?