Write the indicated term of the binomial expansion.(x + 2y)12; 4th term
A. 1760x9y3
B. 1760x3y9
C. 880x9y4
D. 880x3y9
Answer: A
Mathematics
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Mathematics
Solve the problem.Find an equation for the level surface of the function f(x, y, z) = x + ey+z that passes through the point 
.
A. x + ey+z = 14 B. x + ey+z = 31 C. x + ey+z = 28 D. ln(x) + y + z = 31
Mathematics
Find all the terms of the finite sequence.an = n2 - n, 1 ? n ? 5
A. 2, 6, 12, 20, 30 B. 0, 3, 8, 15, 24 C. 1, 4, 9, 16, 25 D. 0, 2, 6, 12, 20
Mathematics
Find the midpoint of the line segment whose end points are given.(4, 7) and (7, -6)
A. (11, 1)
B. (-3, 13)
C. (
, 
)
D. (- 
, 
)
Mathematics