Which of the following is a definition of a dilation?
?
A. ?The shape maintains its proportionality but shrinks/grows in size.
B. ?The shape undergoes a rigid transformation.
C. ?The shape translates horizontally or vertically, and flips.
D. ?The shape changes its proportionality as it moves vertically, horizontally, or diagonally.
E. ?The shape rotates 90?, maintaining a rigid transformation.
Answer: A
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over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 
C. 
D. 
Solve the problem.Assume that math SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. If you scored 560, what percentage of those taking the test scored below you?
A. 51.99% B. 27.43% C. 72.57% D. 0.60%
Find the extreme values of the function and where they occur.y = 
A. Maximum value is 
at x = e1/2; minimum value is 0 at x = 1.
B. Minimum value is 
at x = e1/2; no maximum value.
C. Maximum value is 
at x = e1/2; no minimum value.
D. None
Find the slope of the line containing the given points.(14, -3) and (-9, -1)
A. - 
B. - 
C. 
D. - 