Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
+ 
A. 0
B. 
C. 
D. - 
Answer: A
Mathematics
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Solve the equation.5.7x - 3.1(x + 5) = -3.02
A. 2.1 B. 4.3 C. 4.8 D. 8.3
Mathematics
Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. s2 - 2s - 3 < 0
A. (3, ?)
B. (-?, -1)
C. (-?, -1) ? (3, ?)
D. (-1, 3)
Mathematics
Stones dropped into a calm pond at points A and B create ripples that propagate in widening circles. In the figure below, points A and B are 24 feet apart, and the radii of the circles differ by 4 feet. The point P (x, y) where the circles intersect moves along a curve. Find the equation of the curve.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Identify the place value of the indicated digit.4
,622
A. Hundreds B. Tens C. Ten thousands D. Thousands
Mathematics