Answer:
$1620
Step-by-step explanation:
9% of budget = 0.09 × $18000 = $1620
Anthony spent $1620 on the family room.
Answer:
c=-9x^2-15x
Step-by-step explanation:
No 15/3 does not belong to the set of numbers
Answer: The percentile is 89
Step-by-step explanation:
This question can be solved using concept for t tables
In a normal distribution the curve. 
The relationship between z score, mean and standard deviation is given by

So the z value according to this is given by the formula

From the z table we can infer that p value for z=+1.217 is 88.82
So 1750 is 89th percentile
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