Solve using matrices.-5x + 3y - z = -29 x + 3y - 8z = -10-3x + y + z = -15
A. (9, 7, 5)
B. No solution
C. (9, 5, 7)
D. (-9, 7, 18)
Answer: A
Mathematics
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Solve the system by elimination.
A. (3, 3) B. (1, -3) C. (-3, - 3) D. (-1, 3)
Mathematics
Match the equation with the appropriate graph.y = 
x + 3
A. 
B. 
C. 
D. 
Mathematics
Solve.A boat goes 360 miles downstream in the same time it can go 300 miles upstream. The speed of the current is 4 miles per hour. Find the speed of the boat in still water.
A. 44 mph B. 66 mph C. 40 mph D. 48 mph
Mathematics
Find the equation of the circle satisfying the given conditions.Center: (-2, -5), radius: 4
A. (x - 2)2 + (y - 5)2 = 16 B. (x - 5)2 + (y - 2)2 = 4 C. (x + 2)2 + (y + 5)2 = 16 D. (x + 5)2 + (y + 2)2 = 4
Mathematics