Solve the problem.A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 20 feet from where the rope is staked down. Find the altitude of the balloon if the rope is 90 feet long. Leave your answer in simplified radical form. 
A. 10
ft
B. 
ft
C. 
ft
D. 10
ft
Answer: A
Mathematics
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The growth rate G, in millions per year, of a certain population depends on the number N, in millions, of individuals present. The relationship is
.
?
For what population size is the population growing at the fastest rate? Round your answer to two decimal places.
A. 1.46 million B. 1.09 million C. 0.72 million D. 0.13 million
Mathematics
Reduce the fraction to simplest form.
A. Cannot be simplified
B. s - t
C. s + t
D. 
Mathematics
Find the equation of the normal line to the indicated curve at the given point.y = 5 - 2x3 at (3, -49)
A. x + 54y + 2649 = 0 B. x - 54y - 2649 = 0 C. x - 54y + 2649 = 0 D. x + 54y - 2649 = 0
Mathematics
Simplify
Mathematics