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 13,760 square inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 66.2 in.
B. 58.7 in.
C. 33.1 in.
D. 103.9 in.
Answer: C
Mathematics
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Find the median for each data set.99, 99, 93, 58, 70, 99
A. 99 B. 58 C. 93 D. 96
Mathematics
Solve the equation.
= 6
A. {120}
B. 
C. 
D. ?
Mathematics
Use the Gauss-Jordan method to solve the system of equations.x - y + z = -2x + y + z = -6x + y - z = 4
A. (1, -5, -2) B. (1, -2, -5) C. (-5, 1, -2) D. No solution
Mathematics
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Mathematics