Answer:
I Think the answer is A
Step-by-step explanation:
Best guess, sorry. but i think you will get this right.
By the binomial theorem,

where

Then the coefficients of the
terms in the expansion are, in order from
to
,





Answer:42.55$
Step-by-step explanation:
R = laps she runs
s = laps she swims
each r (laps she runs) takes 5 min.
each s (laps she swims) takes 3 min.
She wants to run for 30 min.
So your inequality should = 30
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