If $1,280 is invested in an account which earns 7% interest compounded annually, which will be the balance of the account at the end of 13 years?
a. $3,084.60
b. $3,130.83
c. $3,171.54
d. $3,155.00
a. $3,084.60
Mathematics
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Subtract.(-6x2 + 4x4 + 4 - 9x3) - (1 - 6x3 + 7x4 - 2x2)
A. 11x4 - 15x3 - 8x2 + 5 B. 11x4 - 15x3 - 8x2 + 3 C. -3x4 - 3x3 - 4x2 + 3 D. -3x4 - 15x3 - 8x2 + 5
Mathematics
Factor.9a3 - 64a
A. a(3a + 8)(3a - 8) B. (3a2 + 8)(3a - 8) C. a(3a - 8)2 D. a(9a + 1)(a - 64)
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first six terms of the geometric sequence: 5, 10, 20, . . . .
A. 315 B. 35 C. 63 D. 31,248
Mathematics
Evaluate.114
A. 14,641 B. 44 C. 1331 D. 4,194,304
Mathematics