Solve the problem.If twice a number is increased by 2, the result is 
. Find the number.
A. 
B. 
C. 13
D. 15
Answer: B
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values and be sure to simplify your answer.-5
- 6
A. 51
B. 21
C. -21
D. -51
Mathematics
Plot the point in the number plane.
A. 
B. 
C. 
D. 
E. 
Mathematics
Factor out the GCF from the polynomial.6x6y - 12x4
A. 6x4(x2y - 2) B. 6x5( xy - 2x) C. 6x4y(x2 - 2) D. x4(6x2y - 12)
Mathematics
Find the range for the data set.4, 4, 4, 20, 21, 21, 21
A. 17 B. 20 C. 25 D. 16
Mathematics