Solve.An airplane is flying west at an altitude of 31,424 feet. Another plane is flying northeast at an altitude of 28,510 feet. How much above the 
plane is the 
plane when their paths cross?
A. 2914 feet
B. 2884 feet
C. 2844 feet
D. 3114 feet
Answer: A
Mathematics
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Provide an appropriate response.Students in a class have the following scores: 45, 56, 76, 53, 90, 87, 69, 85, 42, 57, 80, 93, 83, 25. How many students scored 75 or above?
Fill in the blank(s) with the appropriate word(s).
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Add and write the result in lowest terms.- 
+ 
A. 
B. 
C. 0
D. - 
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Graph.y = ?7 - x?
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. - 
B. 
C. 
D. - 
Mathematics