Solve.If the sides of a square are increased by 2 meters, the area becomes 64 square meters. Find the length of a side of the original square.
A. 8 m
B. 10 m
C. 6 m
D. 2 m
Answer: C
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Solve the problem.Find the volume of the solid bounded by the hyperboloid of one sheet 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab)
A. 21.33? units3 B. 341.33? units3 C. 37.33? units3 D. 42.67? units3
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results.
A. y = 10.7 + 1.53x B. y = 5.05 + 1.91x C. y = 2.36 + 2.03x D. y = 75.3 - 0.329x
Write the standard basis for the vector space 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Rationalize the denominator. Assume all variables have nonzero values.
A. 
B. 
C. 
D. 