Write the inequality in interval notation.x < 2
A. (-?, 2)
B. (-?, 2]
C. (2, ?)
D. [2, ?)
Answer: A
Mathematics
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Write the number as a product of prime factors.133
A. 72 × 19 B. 8 × 21 C. 18 × 9 D. 7 × 19
Mathematics
Solve and graph the solution set.12y - 1 ? 11y + 10
A. {y|y > 12} or (12, ?)
B. {y|y < 12} or (-?, 12)
C. {y|y ? 11} or (-?, 11]
D. {y|y ? 11} or [11, ?)
Mathematics
Solve.Two cars start from the same point and travel in the same direction. If one car is traveling 65 miles per hour and the other car is traveling at 54 miles per hour, how far apart will they be after 9.5 hours?
A. 1130.5 miles B. 104.5 miles C. 617.5 miles D. 513 miles
Mathematics
Find the constant of variation, k. t varies directly with r and inversely with s; t = 3 when r = 21 and s = 28
A. k = -4
B. k = - 
C. k = 
D. k = 4
Mathematics