Solve the problem.As part of her retirement savings plan, Patricia deposited $300 in a bank account during her first year in the workforce. In her twentieth year she deposited $1250. Assuming that the sequence of numbers giving the amount she deposited in years 1 through 20 is arithmetic, what was the total amount that she deposited in the twenty years?
A. $15,500
B. $32,000
C. $31,000
D. $16,000
Answer: A
Mathematics
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? 
A. 5x2y2
B. 5xy
C. xy
D. 5xy2
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Solve the problem.The golden ratio ? is the positive solution of the equation
A. x2 = 1 + x.
B. x2 = 1 - x.
C. x2 = 
.
D. x = 1 + x2.
E. none of these
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Provide an appropriate response.
If C(x) = 7x + 1,000 and A(x) = 
, R(x) = $20x, and P(x) = R(x) - C(x), then if x = 200, P(x) =
A. 1,200 B. 1,400 C. 1,800 D. 1,600
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Factor completely. If the polynomial is prime, state so.x4 - 625
A. prime B. (x2 + 25)(x + 5)(x - 5) C. (x2 - 25)(x2 - 25) D. (x2 + 25)(x2 + 25)
Mathematics