Determine whether the given ordered pair is a solution to the system of equations.(-4, 4)4x + y = -123x + 4y = 4
A. No
B. Yes
Answer: B
Mathematics
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Convert the angle to decimal degrees and round to the nearest thousandth of a degree.81°17'50''
A. 81.357 B. 81.297 C. 81.307 D. 81.257
Mathematics
Solve the problem.Let n(A) = 32, n(B) = 93, and n(A ? B) = 109. Find n(A ? B).
A. 18 B. 48 C. 16 D. 8
Mathematics
Solve the problem.A cruise boat travels 48 miles downstream in 3 hours and returns to its starting point upstream in 6 hours. Find the speed of the stream.
A. 28 mph B. 12 mph C. 16 mph D. 4 mph
Mathematics
Solve the system of equations.25x2 + 81y2 = 20259y - 5x = 45
A. (0, -9), (5, 0) B. (0, 5), (-9, 0) C. (0, 9), (0, -5) D. (0, -5), (9, 0)
Mathematics