The first card is a five or a jack.
Two cards are dealt without replacement from a well-shuffled deck of cards.
Find the probability of each event.
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Calculate the circulation of the field F around the closed curve C.F = - 
x2yi - 
xy2j; curve C is r(t) = 5 cos ti + 5 sin tj, 0 ? t ? 2?
A. 0
B. - 
C. - 
D. - 
Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z}n(U)
A. 10 B. 19 C. 5 D. 9
Solve the equation after making an appropriate substitution.x2/3 - 7x1/3 + 12 = 0
A. {-64, -27} B. {-4, -3} C. {27, 64} D. {3, 4}
Solve the problem.Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $95 per pound and a blend of common wildflower seeds for $15 per pound. Kelly is creating a medium-price product by mixing together 25 pounds of the more expensive blend with 5 pounds of the less expensive blend. What will be the price per pound for the new blend? (Round to the nearest cent, if necessary.)
A. $7.73 per pound B. $22.27 per pound C. $28.33 per pound D. $81.67 per pound