Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the system. Indicate all corner points and shade the solution set.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve.x2 + y2 = 5 x - y = 1
A. (2, 1), (-1, -2) B. (2, -1), (1, -2) C. (-2, -1), (-1, -2) D. (-2, 1), (-1, 2)
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 8x - y - 3z = 28 8x + 4y - 5z = 60-7x - 9y + z = -110
A. (6, 8, 4) B. (-6, 8, 12) C. (6, 4, 8) D. No solution
Mathematics
Convert as indicated. Express the answer in decimal form when needed.25 miles per hours to kilometers per hour (Round to the nearest thousandth.)
A. 45.225 km/hr B. 13.889 km/hr C. 40.323 km/hr D. 15.538 km/hr
Mathematics