Write a negation of the inequality. Do not use a slash symbol.x ? -21
A. x < -21
B. x < 21
C. x ? 21
D. x ? -21
Answer: A
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Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Round your answer to the nearest tenth of a mile.
A. 17.6 mi B. 15.6 mi C. 6.1 mi D. 10.3 mi
Solve the problem.A bag contains 8 apples and 6 oranges. If you select 7 pieces of fruit without looking, how many ways can you get exactly 6 apples?
A. 56 B. 168 C. 2016 D. 336
Arrange in ascending powers of x.-5mx - 17mn - 9x4 - 18mx2
A. -5mx - 17mn - 18mx2 - 9x4 B. -9x4 - 18mx2 - 5mx - 17mn C. -5mx - 17mn - 9x4 - 18mx2 D. -17mn - 5mx - 18mx2 - 9x4
Solve the system by graphing. If there isn't a unique solution to the system, state the reason. 3x + y = -4 5x + 3y = -4
A. (2, 2) B. (-1, -1) C. (-2, -3) D. (-2, 2)