Write the number as a product of primes.84
A. 2 ? 2 ? 3 ? 5
B. 2 ? 2 ? 2 ? 3 ? 7
C. 2 ? 2 ? 3 ? 7
D. 2 ? 3 ? 7
Answer: C
Mathematics
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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, ±
)
Mathematics
Convert using dimensional analysis.0.4 gallons to ounces
A. 12.8 oz. B. 51.2 oz. C. 25.6 oz. D. 4.8 oz.
Mathematics
Provide an appropriate response.True or false? The statement sin-1(sin x) = x for all real numbers in the interval - 
< x < 
.
A. True B. False
Mathematics
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Mathematics