Solve the problem.The radius, r, of a sphere can be found using the formula 
where S is the surface area. If the surface area is 15,253 square inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 109.4 in.
B. 34.8 in.
C. 61.8 in.
D. 69.6 in.
Answer: B
Mathematics
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Solve the problem.Of the following objects in nature, which one could never have self-similarity?
A. a cloud B. a soap bubble C. a mountain D. a coastline E. all of these could have self-similarity
Mathematics
Simplify
Mathematics
Determine the slope, if it exists, of the graph of the given linear equation.y = 
A. not defined
B. m = 0
C. m = - 
D. m = 
Mathematics
Give the largest interval where the function increases or decreases, as requested.f(x) = x2 + 8; decreases
A. (-8, 0) B. (-?, 0) C. (0, ?) D. (0, 8)
Mathematics