Solve the system of equations using matrices. x + 8y = 84x - 7y = -7
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
Answer: D
Mathematics
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Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 15? B. 20? C. 40? D. 45?
Mathematics
Find the least common multiple (LCM) of the pair of numbers.14 and 16
A. 2 B. 448 C. 224 D. 112
Mathematics
The sides in the pair of figures are proportional. Find the missing length(s).
A. x = 10.5 B. x = 13.5 C. x = 16 D. x = 12
Mathematics
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
List the elements in the following set.A ? D
A. {q, s, u, v, w, x, y} B. {s} or D C. {v, x} D. {s, u, w}
Mathematics