Solve. Then graph. Write the solution set using both set-builder notation and interval notation.
< 13
A. {x
x ? 28}, [28, ?)
B. {x
x > 28}, (28, ?)
C. {x
x < 28}, (-?, 28)
D. {x
x ? 28}, (-?, 28]
Answer: C
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Determine what the next equation would be, and verify that it is indeed a true statement.(1 × 9) - 6 = 3(21 × 9) - 6 = 83(321 × 9) - 6 = 2883
A. (432 × 9) - 6 = 38,883 B. (4,321 × 9) - 6 = 3882 C. (4,321 × 9) - 6 = 28,883 D. (4,321 × 9) - 6 = 38,883
Solve the problem. Round your answer, if appropriate.The volume of a rectangular box with a square base remains constant at 900 cm3 as the area of the base increases at a rate of 2 
2/sec. Find the rate at which the height of the box is decreasing when each side of the base is 12 cm long. (Do not round your answer.)
A. 
cm/sec
B. 
cm/sec
C. 
cm/sec
D. 
cm/sec
Sprint would like to take customers from Pacific Bell, one of its competitors in a certain geographical area. Sprint would like to survey Pacific Bell's customers in order to find out which elements of its service are least satisfactory. What procedure would be most appropriate for obtaining a statistically unbiased sample?
What will be an ideal response?
Solve for y.x = - 
y + 
A. y = -15x + 3
B. y = 
C. y = 
D. y = 