Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the operation.177.5 × 0.93
A. 165.186 B. 165.175 C. 165.185 D. 165.075
Mathematics
Solve the system of equations.-13 + 4z = 3(x - 2y)3(x - 4y - z) = -18-3(2x + y) + 3z = 6
A. {(-1, 3, 3)} B. {(-1, 3, 1)} C. {(-1, -3, 1)} D. {(-1, 1, 1)}
Mathematics
Rationalize the denominator. Write the quotient in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Find the perimeter and the area of the figure.
A. perimeter: 60 ft; area: 675 sq ft B. perimeter: 675 ft; area: 120 sq ft C. perimeter: 120 ft; area: 1350 sq ft D. perimeter: 120 ft; area: 675 sq ft
Mathematics