Solve.The difference between two positive integers is 56. One integer is three times as great as the other. Find the integers.
A. 28 and 56
B. 84 and 140
C. 28 and 84
D. 56 and 84
Answer: C
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Find the equation of the curve described by the given information.Ellipse: center 
, focus 
, major axis 26 units
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find an algebraic expression that represents the area of the shaded region. 
9x + 10
A. 72x2 - 10x - 100 B. 72x2 - 10x + 100 C. 72x2 - 90x - 100 D. 72x2 + 170x - 100
Solve.The total profit function P(x) for a company producing x thousand units is given by 
Find the values of x for which the company makes a profit. [Hint: The company makes a profit when 
A. x is greater than 5 thousand units B. x is less than 5 thousand units or greater than 12 thousand units C. x is less than 12 thousand units D. x is between 5 thousand units and 12 thousand units
Identify the pair of lines as appearing to be parallel, perpendicular, or intersecting.
A. Intersecting B. Perpendicular C. Parallel