A) a=the initial value ($1650)
b=1-percent of decrease (0.81 or 81%)
B) About 3 years
Current year is 2016
born year is 1977
old
2016 - 1977
39 years
Mean is were you add up all of the numbers and how many numbers are there thats how much you divide by and median is were you line up the numbers from least to greatest then try to find the middle number <span />
<h2><u><em>
Answer: 1017.8760</em></u></h2><h2><u><em>
Step-by-step explanation:</em></u></h2><h2><u><em>
area A=πr2
</em></u></h2><h2><u><em>
A=π×182
</em></u></h2><h2><u><em>
A=324π
</em></u></h2><h2><u><em>
A=1017.87602
</em></u></h2><h2><u><em>
</em></u></h2><h2><u><em>
also, circumferenceC=2πr</em></u></h2><h2><u><em>
and, diameterd=2r</em></u></h2>
<u><em></em></u>