Find the indicated partial sum for the given geometric sequence.s4, 16, 32, 64, 128, ...

A. 240
B. 128
C. - 
D. 496


Answer: A

Mathematics

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Solve.(2m - 5)2 = -81

A. No real solution B. 2, -7 C. 4, -14 D. 14, -4

Mathematics

Expand.(3x2 - y)5

A. 243x10 - 405x8y + 270x6y2 - 90x4y3 + 15x2y4 - y5 B. 243x10 + 405x8y + 270x6y2 + 90x4y3 + 15x2y4 + y5 C. 243x10 + 405x8y - 270x6y2 + 90x4y3 - 15x2y4 + y5 D. 243x10 - 405x8y - 270x6y2 - 90x4y3 - 15x2y4 - y5

Mathematics

Use the Hill-Huntington method to find the apportionment.Use the Hill-Huntington method to apportion eleven seats among State P, State Q, and State R. The populations of the states are State P, 0.75 million; State Q, 1.2 million; and State R, 1.5 million.

A. P: 2; Q: 4; R: 5 B. P: 2; Q: 5; R: 4 C. P: 3; Q: 4; R: 4 D. P: 2; Q: 3; R: 6

Mathematics

Solve the problem.Let u = 2i + 9j, v = 2i + 3j, and w = i - j. Write u = u1 + u2  where u1  is parallel to v  and  u2  is parallel to w.

A. u1 = 0.4545 v  u2 = -0.4167w B. u1 = 2.200 v  u2 = -2.400w C. u1 = 3v  u2 = 2w D. u1 = 4v  u2 = -27w

Mathematics