The rectangle below has an area of x^2-9 square meters and a width of x-3 meters. What expression represents the length of the rectangle?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

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What is the squate root of r^64 needa r^4 b r^8 c r^16 d r^32