Find the indicated sum. Find the sum of the first 8 terms in the geometric series 3 - 6 + 12 - . . .

A. -257
B. -765
C. 765
D. -255


Answer: D

Mathematics

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Solve the problem.A person plans to invest a total of $70,000 in a CD at 4% annual interest and a mutual fund that has a 3-year average annual interest of 10%. Let x and y represent the money (in dollars) invested in the CD and the mutual fund, respectively. How much money should be invested in each account to earn a total of $4000 in one year?

A. $40,000 invested at 4%; $30,000 invested at 10% B. $20,000 invested at 4%; $50,000 invested at 10% C. $30,000 invested at 4%; $40,000 invested at 10% D. $50,000 invested at 4%; $20,000 invested at 10%

Mathematics

Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth. 17 km

A. 157 km B. 314 km C. 11 km D. 17.72 km

Mathematics

Approximate the value using a calculator. Express answer rounded to three decimal places.54.8

A. 3125.000 B. 2548.040 C. 24.000 D. 2264.936

Mathematics

Factor.36x2 - 60x + 25

A. (6x + 5)2 B. (6x - 5)(6x + 5) C. (36x + 1)(x + 25) D. (6x - 5)2

Mathematics