Solve the following problem where a radical equation must be solved.Due to the earth being round, the distance at which a person sees the horizon depends on how high up the person is. The higher the person is above sea level, the farther the horizon is. The maximum distance d in kilometers that a person can see from a height h in meters is given by the formula 
How high above sea level must someone be to see 55 kilometers. Round to the nearest tenth when necessary.
A. 246.9 m
B. 864.3 m
C. 15.7 m
D. 26 m
Answer: A
Mathematics
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A. 
B. 
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What will be an ideal response?
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The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. 
A. y = 
x + 
B. y = - 
x - 
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