Simplify the expression. Assume all variables represent nonnegative real numbers.z1/2 ? z2/3 ? z5/7
A. z42/79
B. z1/4
C. z4/15
D. z79/42
Answer: D
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Determine ? in decimal degrees. Round results to an appropriate number of significant digits.cos ? = 0.759
A. 41.0° B. 41° C. 69.0° D. 69°
Use the circle graph to solve the problem.The circle graph below gives the number of residents in the residence halls at the state university.
Write the ratio as a fraction in lowest terms of the number of residents at Evans to the number of students at Fisher.
A. 
B. 
C. 
D. 
Assume you have a graph with vertex set V = {A, B, C, D, E} and edge set E = {AB, AE, BD, BE, CD, and DD}.The degree of vertex D is
A. 4. B. 3. C. 1. D. 2. E. none of these
Postal regulations specify that the combined length and girth of a parcel sent by parcel post may not exceed 120 in. Find the dimensions of the rectangular package that would have the greatest possible volume under these regulations. (Hint: Let the dimensions of the box be x'' by y'' by z'' (see the figure below). Then, 
, and the volume
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. Maximize 
.)
?
?
A. x = 20 inches, y = 40 inches, z = 20 inches, V = 16,000 cubic inches
B. x = 20 inches, y = 20 inches, z = 17 inches, V = 6,800 cubic inches
C. x = 22 inches, y = 40 inches, z = 22 inches, V = 16,000 cubic inches
D. x = 22 inches, y = 39 inches, z = 17 inches, V = 14,586 cubic inches
E. x = 22 inches, y = 40 inches, z = 17 inches, V = 14,586 cubic inches