Find the vertices and foci of the ellipse.16x2 + 49y2 = 784
A. Vertices: (±4, 0); Foci: (±
, 0)
B. Vertices: (±7, 0); Foci: (±
, 0)
C. Vertices: (0, ±7); Foci (0, ±
)
D. Vertices: (0, ±4); Foci (0, ±
)
Answer: B
Mathematics
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Add or subtract and write the resulting polynomial in descending order of degree.
- 
A. 
t3 + 
t2 - 
B. 
t3 + 
t2 - 
C. 
t3 + 
t2 - 
D. 
t3 + 
t2 + 
Mathematics
Provide an appropriate response.Using Heron's formula, find the area of the triangle shown. Round the answer to four significant digits.
A. 1.555 mm2 B. 2.418 mm2 C. 0.3217 mm2 D. 0.1035 mm2
Mathematics
Perform the indicated operation.6 kg - 1502 g (in kg)
A. 4.498 g B. 4.498 kg C. -902 g D. 4498 kg
Mathematics
Combine like terms.9ab + 6 + 2ab + 3
A. 11a + 11b + 9 B. 11ab + 6 + 3 C. 11ab + 9 D. 9ab + 11
Mathematics