Add or subtract as indicated. Simplify if necessary.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Identify a, b, c, with a > 0, for the quadratic equation.x(x2 + x - 5) = x3
A. a = 0, b = 1, c = -5 B. a = 1, b = -5, c = 0 C. a = 1, b = 1, c = -5 D. Not quadratic
Mathematics
Solve the problem.The gravitational force (in lb) of attraction between two objects is given by 
where x is the distance between the objects. If the objects are 5 ft apart, find the work required to separate them until they are 50 ft apart. Express the result in terms of k.
A. 
k
B. 
k
C. 
k
D. 
k
Mathematics
Find the median. Round to the nearest tenth when necessary.28, 28, 32, 48, 60, 60, 84
A. Median = 49.1 B. Median = 60 C. Median = 32 D. Median = 48
Mathematics
Graph the curve.r2 = 4 cos 2? (lemniscate)
A. 
B. 
C. 
D. 
Mathematics