Find the best buy (based on cost per unit).Brand A: 20 oz for $4.60Brand B: 15 oz for $3.30
A. Equal value
B. Brand B
C. Not enough information
D. Brand A
Answer: B
Mathematics
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Evaluate the improper integral.
A. 120 B. 80 C. 100 D. 60
Mathematics
Write an expression for the general or nth term, an, for the geometric sequence.3, 6, 12, 24, . . .
A. an = 3 ? 2n B. an = -3 ? (-2)n-1 C. an = 3 ? 2 D. an = 3 ? 2n-1
Mathematics
Add or subtract.5i + (-3 - i)
A. 3 - 4i B. -3 + 6i C. 3 - 6i D. -3 + 4i
Mathematics
Convert to rectangular coordinates.
A. (-3, 0) B. (0, -3) C. (3, 0) D. (0, 3)
Mathematics