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 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 the indicated set.(K ? L)'
A. {p}
B. {p, c, n, h, w}
C. {c, h, n, r, s, t, w}
D. {n, r, t}
Answer: A
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A. 7,471,375,480 B. 7,471,375,552 C. 7,471,375,553 D. 7,471,375,560
Find the axis, domain, and range of the parabola.f(x) = -3x2 + 12x - 10
A. axis: x = 2 domain: (-?, ?) range: (-?, 2] B. axis: x = 4 domain: [2, ?) range: (-?, ?) C. axis: x = 4 domain: (-?, 2] range: (-?, ?) D. axis: x = 2 domain: (-?, ?) range: [2, ?)
Find the magnitude and direction angle of the vector v. Round the direction angle to the nearest tenth of a degree when necessary.v = -2i + 5j
A. 
, 68.2°
B. 7, 291.8°
C. 29, 111.8°
D. 
, 111.8°
The angles are supplementary angles. Find the measure of each angle.
A. 45° and 135° B. 40° and 140° C. 20° and 70° D. 80° and 280°