$500 - $200 = $300 dollars left.
$300 divided by $10 = 30 weeks.
This is not a random sample since she is outside of a pet store and the probability of people owning a dog coming out of that store is very very high. If she went around the neighborhood and knocked on people’s door and asked if they had a dog or not would be random sample.
Answer:

Step-by-step explanation:
, substitute
to x
=
or 3.75
=
= 
Answer:
v = 18π
Step-by-step explanation:
v = πr²h
plug in the givens
v = π(3²)2
v = 18π exact answer
V = 18 * 3.14 = 56.52 decimal approximation