Find an equation of an ellipse satisfying the given conditions.Vertices: (-4, -10) and (-4,6); endpoints of minor axis: (3, -2) and (-11, -2)

A.  +  = 1
B.  +  = 0
C.  +  = 1
D.  +  = 1


Answer: A

Mathematics

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Evaluate the integral.

A. 14 B. 12 C. 4 D. 34

Mathematics

The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.K' ? L

A. {r, s, t} B. {c, n} C. {h, w} D. {c, n, p}

Mathematics

Solve the problem.What conditions, when present, are sufficient to conclude that a function f(x) has a limit as x approaches some value of a?

A. f(a) exists, the limit of  as  from the left exists, and the limit of  as  from the right exists.
B. The limit of  as  from the left exists, the limit of  as  from the right exists, and these two limits are the same.
C. Either the limit of  as  from the left exists or the limit of  as  from the right exists
D. The limit of  as  from the left exists, the limit of  as  from the right exists, and at least one of these limits is the same as f(a).

Mathematics

Solve the equation.4x - 4 = 12

A. 7 B. 4 C. 12 D. 16

Mathematics