Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so. 3x - 2y = 42(-3x + 2y) = 7
A. all points on the line 3x - 2y = 4; dependent system
B. (2, 1)
C. (1, 2)
D. empty set; inconsistent system
Answer: D
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Use partial fractions to find the sum of the series.
A. 
B. 
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D. 
Estimate by rounding as indicated.There are 27,878,400 square feet in one square mile. How many square feet are there in 82 square miles? Estimate by rounding the number of square feet in one square mile to the nearest ten million and the number of square miles to the nearest ten. Also find the exact answer.
A. Estimate: 2,240,000,000 sq ft; exact: 2,285,996,000 sq ft B. Estimate: 2,400,000,000 sq ft; exact: 2,285,996,000 sq ft C. Estimate: 2,240,000,000 sq ft; exact: 2,286,028,800 sq ft D. Estimate: 2,400,000,000 sq ft; exact: 2,286,028,800 sq ft
Solve.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of - 58 feet. They then rose 11 feet. What was their elevation at this point?
A. -69 ft B. 47 ft C. -47 ft D. 69 ft
Perform the indicated operation. Simplify, if possible.
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B. 
C. 
D. 