Express the statement as an equation involving the indicated variables.The surface area S of a cube is 6 times the square of the length x of a side.
A. S = 6x2
B. S = x2
C. S = 6 + x2
D. S = 6x
Answer: A
Mathematics
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Factor the expression.8g - rn - 8n + rg
A. (8 - n)(g + r) B. (8 + n)(g - r) C. (g - n)(8 + r) D. (g - n)(8 - r) E. (g + n)(8 - r)
Mathematics
Assume that the sequence converges and find its limit.a1 = 1, an + 1 = 
A. 1 B. 3 C. 4 D. 8
Mathematics
Identify the type of surface represented by the given equation. y2 + z2 = 7
A.
| Ellipsoid |
B.
| Cylinder |
C.
| Paraboloid |
D.
| Parabolic cylinder |
Mathematics
Find the distance d(A, B) between the points A and B.A = (0, -2); B = (-7, -2)
A. 
B. 2
C. 7
D. 49
Mathematics