Please help asap will give 20 pts, brain, 5 star and thanks [must include sbs]
2 answers:
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I'm not sure this is right, so please don't be mad if I got this completly wrong, but I think this is how you do it. 
next divide 
Answer:
Step-by-step explanation:
we know that
In this problem we have a exponential function of the form
where
y ----> represent the pool’s loss of water
x ----> the number of days
a is the initial value
a=25,700 gal
b ----> is the base
r=15%=15/100=0.15
b=(1-r)=1-0.15=0.85
The function is equal to
Answer:
8% tax rate.
Step-by-step explanation:
The 8% (0.08) is the tax rate because the 100%, or 1.00, is the original price of the racket, which was $13.