Use a calculator to approximate the expression to three decimal places. If the expression is not a real number, state this.-
A. -52.000
B. 7.211
C. not a real number
D. -7.211
Answer: D
Mathematics
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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5 in.; d = 10.3 in. B. w = 6.5 in.; d = 11.3 in. C. w = 7.5 in.; d = 12.3 in. D. w = 5.5 in.; d = 12.3 in.
Mathematics
Find the perimeter of the shape made up of rectangles and squares.
A. 91 yd B. 48 yd C. 96 yd D. not enough information given
Mathematics
Provide an appropriate response.Solve: 
= 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the slope of the line.
A. undefined B. -3 C. 3 D. 0
Mathematics