Find the mean.99, 105, 89, 101, 86
A. 96
B. 99
C. 80
D. 105
Answer: A
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse having a focus at (
, 0) and directrix x = 
.
A. 
+ y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -7x2 + 19x - 5
A. (7.89, 1.36) B. (1.36, 7.89) C. (1.36, -7.89) D. (-1.36, 7.89)
Mathematics
Solve the equation.-2b = 30
A. {-32} B. {1} C. {32} D. {-15}
Mathematics
Evaluate the polynomial.4x3 + 3x2 - 35for x = 2
A. -1 B. -3 C. 3 D. 9
Mathematics