Evaluate. The differential is exact.
A. 1
B. 8
C. 7
D. 5
Answer: C
Mathematics
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The pair of triangles is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. 35 m B. 26 m C. 20 m D. 28 m
Mathematics
Approximate the square root. Round to the nearest tenth, if needed.
A. 2664.5 B. 73 C. 78 D. 730
Mathematics
Find the standard form of the equation of the ellipse and give the location of its foci.
A. 
+ 
= 1
foci at (0, -2
) and (0, 2
)
B. 
+ 
= 1
foci at (0, -2
) and (0, 2
)
C. 
+ 
= 1
foci at (0, 7) and (3, 0)
D. 
+ 
= 1
foci at (0, -7) and (0, 7)
Mathematics
Find an equation of a square root curve of the form 
that approximately contains the given points. Round the values of a and b to the second decimal place if necessary.(0, 8) and (2, 7)
A. y = -0.5
+ 8
B. y = 0.71
+ 8
C. y = 4.95
+ 8
D. y = -0.71
+ 8
Mathematics