Simplify.
A. x + 4
B. x - 4
C. 
D. 
Answer: C
Mathematics
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Estimate the answer by rounding as indicated.Estimate by first rounding to the nearest hundred.
A. 177,400 B. 150,000 C. 800 D. 177,448
Mathematics
Evaluate using the correct order of operations.
× 
A. 
B. 
C. 
D. 
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.25x2 + 40x + 16 = 0
A. 
B. 
C. 
D. no real solution
Mathematics
Find an algebraic expression for the verbal phrase below.The difference between 3 times a number x and 
A. 
B. 
C. 
D. 
E. 
Mathematics