Solve the inequality. Write the solution in interval notation.x2 - 3x - 18 < 0
A. (6, ?)
B. (-3, 6)
C. (-?, -3)
D. (-?, -3) ? (6, ?)
Answer: B
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A desalination process is removing salt from a container of sea water. The amount of salt, in kilograms, remaining t hours after the cleaning process began is given by
?
.
?
How much of the salt is removed from time 
to time 
?
?
A. 5.73 kilograms
B. 4.17 kilograms
C. 9.70 kilograms
D. 6.02 kilograms
Write the Hindu-Arabic numeral in expanded form.710,002,002
A. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) B. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) C. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) D. (7 × 108) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 )
Write the sentence as a proportion.7 is to 12 as 49 is to 84
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Subtract.3 - 15
A. 12 B. -12 C. -18 D. 18