Complete the magic (addition) square.Use each number 30, 31, 32, 33, 34, 35, 36, 37, and 38 once.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Add.-48 + 56
A. -8 B. 104 C. 8 D. -104
Mathematics
Find a vector function that represents the curve of intersection of the two surfaces: the top half of the ellipsoid x²+7y²+7z²=49 and the parabolic cylinder y=x².
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Mathematics
Graph the quadratic function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 2x
A. vertex (-1, -1)
intercept (0, -2)
B. vertex (-1, 1)
intercepts (0, 0), (- 2, 0)
C. vertex (1, -1)
intercept (0, -2)
D. vertex (1, 1)
intercepts (0, 0), (2, 0)
Mathematics
Multiply. Write the answer as a mixed number as needed.7
× 
A. 7
B. 6
C. 4
D. 4
Mathematics