Translate the phrase to an algebraic expression.Twice x
A. 2 + x
B. 2x
C. 3 + x
D. 3x
Answer: B
Mathematics
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Combine the following, if possible.4
+ 10
- 
+ 21
A. 3
+ 31
B. 35
C. 4 + 31
D. 4
+ 31
Mathematics
Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(-4, -3) Express ? to three decimal places.
A. (7, -2.214) B. (5, -5.356) C. (5, -2.214) D. (5, -2.498)
Mathematics
Divide the monomials.
A. 
B. 
C. 6x4
D. 
Mathematics
Solve the equation using the quadratic formula.5x2 + 3 = 9x
A. no real solution
B. 0
C. 
D. 
Mathematics