Solve.A box is made from a rectangular piece of metal with length 25 inches and width 25 inches. The box has no top. 
If the outside surface area of the box is 561 square inches, find x.
A. 4.5 in.
B. 5 in.
C. 8 in.
D. 4 in.
Answer: D
Mathematics
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 16? ft2/ft B. 64? ft2/ft C. 8? ft2/ft D. 16 ft2/ft
Mathematics
Find the real solutions of the equation.
= 4
A. 
B. 
C. {16}
D. {4}
Mathematics
Solve the absolute value equation.|8y - 2| = -7
A. 
B. 
C. 
D. ?
Mathematics
Without solving, determine the character of the solutions of the equation in the complex number system.4x2 - 6x + 3 = 0
A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other
Mathematics