Solve.A certain element is so light that 1 cubic foot (ft3) of it weighs only 0.07743 pound. Round this weight to the nearest hundredth of a pound.
A. 0.00 lb
B. 0.07 lb
C. 1.00 lb
D. 0.08 lb
Answer: D
Mathematics
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Solve the problem.Find k such that the line kx + 9y = 4 is parallel to the line through (5, -8) and (2, 4).
A. k = 37 B. k = 34 C. k = 36.5 D. k = 36
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Find the sample standard deviation.3, 3, 18, 10, 6, 14, 13, 18, 12
A. 29.5 B. 33.2 C. 5.8 D. 5.4
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Write the expression in the standard form a + bi.If z = 4 - 6i, evaluate z
.
A. 16 - 36i B. 52 C. 16 - 36i2 D. -20
Mathematics
Find the domain of the function.f(x) = x - 
A. (-?, -6) ? (-6, ?) B. (-?, ?) C. (-?, 5) ? (5, ?) D. (-?, -6) ? (-6, 5) ? (5, ?)
Mathematics