Solve.During the last four months of a recent year, Annie's Natural Food Store reported the following sales.September$2653October$2654November$2793December$4047How much more were the sales in December than the sales in November?
A. $1254
B. $6840
C. $1154
D. $6740
Answer: A
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 3x,
y = 0,
x = 2; revolve about the x-axis
A. 24? B. 12? C. 48? D. 12
Find the length and direction (when defined) of u × v.u = 8j, v = -5k
A. -40; -40i B. 40; -i C. 8; -5i D. 40; i
Solve.The student population of a small school has been increasing as shown in the following table.
Determine the linear, quadratic, or cubic function that best fits the data.
A. f(x) = 5x - 93.33 B. f(x) = x3 - 0.1x2 - 10x + 440 C. f(x) = 0.002x3 - 0.44x2 + 28.19x - 427.30 D. f(x) = 0.1x2 - 10x + 440
Find the product of the complex number and its conjugate.-1 + i
A. -48 B. -6 C. 8 D. 50