Evaluate the expression for the given values of the variables, if possible.
x = -54
A. -6
B. 6
C. -5
D. -7
Answer: A
Mathematics
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Find the difference.- 
- 
A. - 
B. - 
C. 
D. 
Mathematics
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.49a2 - 42a + 9
A. (7a + 3)2 B. (7a - 3)(7a + 3) C. (7a - 3)2 D. (49a + 1)(a + 9)
Mathematics
Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible."
= 21
A. 21
B. 
C. -21, 21
D. -21
Mathematics
Solve the quadratic equation by completing the square.5x2 - 3x - 8 = 0
A. 
, 1
B. 
, 0
C. 
, -1
D. 
, -1
Mathematics