Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 18.5 miles?
A. 342 ft
B. 154 ft
C. 410 ft
D. 238 ft
Answer: D
Mathematics
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?42 ftA building has an entry the shape of a parabolic arch 4 ft high and 42 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system. Round any coefficients to one decimal place if necessary.
A. y2 = -441x B. y2 = -110.3x C. x2 = -110.3y D. x2 = -441y
Mathematics
Provide an appropriate response.Negate the following: The store is sometimes open on Sunday.
What will be an ideal response?
Mathematics
Remove or add parentheses as indicated.Place parentheses to make the equation 
true.
A. 
B. 
C. 
D. 
Mathematics
Consider the given graph.
(a) Determine the number of vertices of the graph.
(b) Determine whether the graph is connected.
Mathematics