Solve the equation.4x = 16
A. {3}
B. {4}
C. {2}
D. {1}
Answer: C
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Graph the function.y = - 
sin 
A. 
B. 
C. 
D. 
Find a) the mean, 
, of the data, b) the deviation from the mean for each data item, and c) the sum of the deviations. 44, 44, 46, 49, 49, 49, 50, 51, 54, 54
A. a) mean: 50, b) deviations: 5, 5, 3, 0, 0, 0, 1, 2, 5, 5, c) sum: 0 B. a) mean: 50, b) deviations: 5, 5, 3, 0, 0, 0, 1, 2, 5, 5, c) sum: 26 C. a) mean: 49, b) deviations: -5, -5, -3, 0, 0, 0, 1, 2, 5, 5, c) sum: 26 D. a) mean: 49, b) deviations: -5, -5, -3, 0, 0, 0, 1, 2, 5, 5, c) sum: 0
Use the Gauss-Jordan method to solve the system of equations. 4x - y + 3z = 12 x + 4y + 6z = -32-3x + 3y + 9z = 20
A. (-8, -7, 9) B. (2, -7, -1) C. (8, -7, -2) D. No solution
Solve.University Theater sold 579 tickets for a play. Tickets cost $22 per adult and $11 per senior citizen. If total receipts were $8503, how many senior citizen tickets were sold?
A. 284 senior citizen tickets B. 295 senior citizen tickets C. 385 senior citizen tickets D. 194 senior citizen tickets