Find the mistake, then find the correct answer.line 1 x2 - 6x = 16line 2 x2 - 6x + 9 = 16 + 9line 3 (x - 3)2 = 25line 4 x - 3 = 
line 5 x - 3 = 5 line 6 x - 3 + 3 = 5 + 3 line 7 x = 8
What will be an ideal response?
| line 4 should be: | x - 3 = ± |
line 6 should be: x - 3 + 3 = ±5 + 3
line 7 should be: x = 8, -2
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Solve the problem.A construction crane lifts a 100-lb bucket originally containing 130 lb of sand at a constant rate. The sand leaks out at a constant rate so that there is only 65 lb of sand left when the crane reaches a height of 50 feet. How much work is done by the crane?
A. 4875 ft ? lb B. 11,500 ft ? lb C. 2250 ft ? lb D. 9875 ft ? lb
Solve the rational inequality.3 + 
- 
? 0
A. 
B. [-7, 0) ? 
C. 
D. (-?, -7] ? 
Find the slope of the line containing the two points.(-7, -6); (-7, -1)
A. 0
B. 5
C. - 
D. undefined
Evaluate g(t) - g(9) if g(t) = 12t2 - 6t + 3. ?
A. g(t) - g(9) = 12t2 - 918 + 6?t B. g(t) - g(9) = 6t2 - 918t + 12 C. g(t) - g(9) = 12t2 - 918t - 6 D. g(t) - g(9) = 6t2 + 12t - 918 E. g(t) - g(9) = 12t2 - 6t - 918