Find the approximate circumference of the circle.Round to the nearest hundredth.
A. 18.84 ft
B. 4.71 ft
C. 7.07 ft
D. 9.42 ft
Answer: D
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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
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.The sum of a number and forty-four is fifty.
A. x - 44 = 50; 94 B. 44x = 50; 1.14 C. x ÷ 44 = 50; 2200 D. x + 44 = 50; 6
Solve the problem.Among all pairs of numbers whose sum is 86, find a pair whose product is as large as possible.
A. 21.5 and 21.5 B. 45 and 41 C. 85 and 1 D. 43 and 43
Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices 
and 
is isosceles.
A. Yes B. No