Solve the inequality and give the solution in interval notation.x + 5 < 3 or -5x < -15
A. (-2, 3)
B. (-?, 3)
C. (-?, -2) ? (3, ?)
D. (-?, ?)
Answer: C
Mathematics
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Solve.
+ 
= - 
A. 15 B. -16 C. -15 D. No solution
Mathematics
Solve.0.6 is what percent of 200?
A. 0.03% B. 33,333.33% C. 0.003% D. 0.3%
Mathematics
Factor.x4 - 18x2 + 81
A. x2(x - 9)2 B. (x2 - 9)2 C. (x2 + 9)2 D. prime
Mathematics
Solve the problem.A rectangular enclosure must have an area of at least 1200 yd2. If 160 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 20 ? w ? 40 B. 20 ? w ? 60 C. 0 ? w ? 20 D. 40 ? w ? 60
Mathematics