Write the opposite of the number.-28
A. 0
B. -28
C. 28
D. - 
Answer: C
Mathematics
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Represent the linear system as an augmented matrix. 3x - 2z = 18 3y + 8z = 45-2x + 2y + 7z = 19
A. 
B. 
C. 
D. 
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Decide whether the statement is true or false.{6, 10, 15} ? ? = {6, 10, 15}
A. True B. False
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From the base of a building, measure out a horizontal distance of 225 ft along the ground. The angle of elevation to the top of the building is 57.0 o. Find the height of the building.
A. 338 ft B. 362 ft C. 366 ft D. 346 ft E. 319 ft
Mathematics
Find the reciprocal.
A. 
B. 7
C. 
D. 
Mathematics