Expand if necessary combine like terms
(5x+1) (5x-1)=
(5x+1) (5x-1)=
Suppose 7x+14 ice cream cones were sold on Saturday and 6x-8 were sold on sunday what is the total number of ice cream cones sol
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Flipping two coins gives four possibilities: HH, HT, TH, TT
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.
trials expected to be two tails.
So P(TT)=1/4
So we'd expect a quarter of the trials to be two tails.