Find the sum of the geometric series.
Express the answer as a fraction.
A.
B.
C.
D.
Answer: A
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Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.A wealthy patron dies and leaves her entire estate of 12 million dollars to 4 charities. If each charity receives the same amount, how much does each receive?
A. Repeated subtraction B. Partition C. Missing-factor
Complete the factoring.x2 + 3x - 28 = (x - 4)( )
A. x - 7 B. 4 - x C. x + 7 D. x2 + 4
Specify the domain of the function.f(x) = 2x - 7
A. x ? 0 B. x > 0 C. x ? 7 D. All real numbers
Solve the problem.How many ways are there to choose a soccer team consisting of 3 forwards, 4 midfield players, and 3 defensive players, if the players are chosen from 10 forwards, 6 midfield players, and 10 defensive players?
A. 186,624,000 B. 5,311,735 C. 255 D. 216,000