Find a1, r, an, n, or Sn for the geometric sequence, as instructed.r = -3, n = 4, S4 = 20; Find an.

A. -9
B. -1
C. 27
D. -81


Answer: C

Mathematics

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A.
B.
C.
D.

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Use Simpson's Rule with n = 4 steps to estimate the integral.

A. -  ?
B. -  ?
C. -(1 + 2) ?
D. -  ?

Mathematics

Use a graphing calculator to solve the given equations to the nearest 0.01.2x4 - x3 - 7x2 + 3x + 3 = 0

A. -1.70, -1, 0.50, 1.70 B. -1.73, -0.50, 1, 1.73 C. -1, 1, -1.70, 1.70 D. 1, 1.70, 2, -1.70

Mathematics

Solve the problem.A company had net revenues of $8,400,585 in one year. Write the words used to read the revenues.

A. eight million, four hundred thousand, five thousand, eighty-five B. eight million, forty thousand, five hundred eighty-five C. eight million, four hundred thousand, five hundred eighty-five D. eight million, four thousand, five hundred eighty-five

Mathematics