Answer:
Circumference of circle : 2πr
= 2 × π × 14
= 28 π ft
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Answer:
The answer is -8
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Triangle is
<em>obtuse</em> and
<em>isosceles</em>
X=-10
by simplifying both sides of the equation then isolating the variable
Answer:
1. B
2.C
Step-by-step explanation:
A plot of land in the shape of a vertical ellipse. The equation of the ellipse is

If the foci are 8 feet from the center, then 
If the plot of land is 34 feet across the vertical axis, then 
Use formula
(because ellipse is vertical, then b>a) to find a:

Then the plot of land is 2a=30 ft across the other axis.
If b>a, the eccentricity of the ellipse is
