Solve and graph. Write the solution in interval notation.| r - 1 | > 5
A. (-4, 6)
B. (6, ?)
C. (-?, -4) ? (6, ?)
D. ?
Answer: C
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Find the x- and y-intercepts for the equation. Then graph the equation.6y - 3x = -9
A. (-3, 0), 
B. 
, (0, 3)
C. (3, 0), 
D. 
, (0, -3)
Collect like terms.8.6a + 6.3b - 1.4a - 4.5b
A. -7.2a + 1.8b B. 10.0a + 10.8b C. 7.2a + 1.8b D. 7.2a + 10.8b
Solve the problem.A doctor has told a patient to take vitamin pills. The patient needs at least 28 units of vitamin A, at least 8 units of vitamin C, and at least 76 units of vitamin D. The red vitamin pills cost 
each and contain 8 units of A, 1 unit of C, and 7 units of D. The blue vitamin pills cost 
each and contain 3 units of A, 1 unit of C, and 11 units of D. How many pills should the patient take each day to minimize costs?
A. 5 red and 3 blue B. 8 red and 0 blue C. 3 red and 5 blue D. 4 red and 4 blue
The rectangular coordinates of a point are given. Find polar coordinates for the point.(-5, 0)
A. 
B. (-5, ?)
C. 
D. (5, ?)