Simplify. Write answers without negative exponents. Assume that all variables represent nonzero real numbers.
-3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 3t2 + 2t + 3, 0 ? t ? 2Find the body's displacement and average velocity for the given time interval.
A. 10 m, 14 m/sec B. 22 m, 11 m/sec C. 16 m, 8 m/sec D. 16 m, 16 m/sec
Mathematics
Find an equation for the surface consisting of all points that are equidistant from the point (0,-2,0) and the plane y=2.
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Mathematics
Two dice are rolled. Find the probability of the event described.The score on the dice is 3 or the dice both show the same number ("doubles").
A. 
B. 
C. 
D. 
Mathematics
Write an equivalent expression. Use a commutative law.wx
A. xw
B. w ÷ x
C. w + x
D. 
Mathematics