Find the mean.Ten students in Mrs. Smith's math class took a state sponsored aptitude test. Their math scores were reported to Mrs. Smith: 496, 597, 359, 351, 592, 360, 344, 599, 482, and 470. Find the mean score. Round your answer to one decimal place if necessary.
A. 465.0
B. 474.5
C. 476.0
D. 455.9
Answer: A
Mathematics
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = 
A. 1 B. 2 C. 0 D. No limit
Mathematics
Find the standard equation of the ellipse shown in the figure. Identify the coordinates of the vertices, endpoints of the minor axis, and the foci.
A. 
+ 
= 1; V(0, ±5, 0); U(0, ±3); F(±4, 0)
B. 
+ 
= 1; V(±4, 0); U(0, ±3); F(±
, 0)
C. 
+ 
= 1; V(0, ±4, 0); U(±3, 0); F(0, ±
)
D. 
+ 
= 1; V(0, ±5); U(±3, 0); F(±5, 0)
Mathematics
Simplify the expression.(-4)-2
A. -16
B. 
C. 16
D. - 
Mathematics
Give the exact value of 
.
?
A. 
B. 
C. 
D. 
E. ?
Mathematics