Write the phrase as a mathematical expression. Use x as the variable.The sum of a number and 12
A. 12x
B. x - 12
C. 
D. x + 12
Answer: D
Mathematics
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Answer the question on the order of rational numbers.Make a true statement by inserting <, >, or =;
A. > B. < C. =
Mathematics
Rewrite the rational expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The locations of three receiving stations and the distances to the epicenter of an earthquake are contained in the following three equations: 
. Determine the location of the epicenter.
A. at (-4, -6) B. at (-4, -5) C. at (-5, -5) D. at (-6, -3)
Mathematics
Find dy/dx by implicit differentiation.x3 + 3x2y + y3 = 8
A. - 
B. - 
C. 
D. 
Mathematics