Find the sum of the sequence.

A. 1
B. -6
C. -5
D. -2


Answer: C

Mathematics

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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the y-axis.bounded by the circle x2 + y2 = 16, by the line , and by the line y = 4

A. ?
B. ?
C. 64?
D. 16?

Mathematics

Multiply.(0.5)(0.9)

A. 0.045 B. 0.45 C. 4.5 D. 0.0045

Mathematics

Solve.The seats in a lecture hall are arranged in 24 rows with 8 seats in each row. Find how many seats are in this room.

A. 192 seats B. 202 seats C. 184 seats D. 200 seats

Mathematics

Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.

A. linear; positive B. quadratic; positive C. quadratic; negative D. linear; negative

Mathematics