Find the union of the sets.{-3, -2, 1, 4} ? {1, 4, 8}
A. {-3, -2, 1, 4, 8}
B. {-3, -2, 1, 4}
C. {1, 4}
D. {1, 4, 8}
Answer: A
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Solve the problem.Find the slope of the line tangent to the curve y = sec 
at the point where x = 0.34. Round to the nearest hundredth.
A. 3.84 B. 2.56 C. -0.76 D. 0.38
Solve.The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.
A. 76 B. 56 C. 65 D. 67
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 26t + 168. For what values of t will there be a loss (that is, P < 0)?
A. t > 0 B. 0 < t < 12 or t > 14 C. 12 < t < 14 D. t = 12 or t = 14