70.6179 and something something i think but am more than happy to answer
The -1 affects the coefficient of the entire term.
Without the -1,
the term has a positive coefficient.
(3a)² = 9a²
However, with the -1,
the term has a negative coefficient.
-(3a)² = -9a²
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The answer is $4.85;$81.85<span> which is B. </span>
11/50 for club, as normally 13 clubs. 2 gone. normally 52 in pack. 2 gone.
13/50 for a diamond. still 13 diamonds, but only 50 cards.
3/50. one out of four jack's are taken out. leaving 3. 50 cards in deck.
2&4 same?
