Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. x
B. x - 3
C. x + 3
D. simplest form
Answer: D
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Find the angular speed of a point traveling through ? radians in time t.? = 35, t = 5 min
A. 7 radians/min
B. 
radian/min
C. 8 radians/min
D. 6 radians/min
Solve the problem.A square yard has a 5-foot wide sidewalk around a square lawn. If the sides of the yard, including the sidewalk, have length y, find a polynomial that gives the area of the sidewalk.
A. 20y + 100 B. 10y - 25 C. 10y + 100 D. 20y - 100
Write the indicated term of the binomial expansion.(x - 2y)13; 7th term
A. -54,912x6y7 B. 109,824x7y6 C. -54,912x7y7 D. 109,824x6y7
Solve the problem.A street sign prohibits vehicles over 2.5 tons from entering a certain street. How many pounds is that?
A. 5000 pounds B. 13,200 pounds C. 2500 pounds D. 4400 pounds