Factor.x2 + 4x + 4
A. (x - 2)2
B. (x + 2)2
C. (x + 4)(x - 4)
D. (x + 2)(x - 2)
Answer: B
Mathematics
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Graph the inequality on a number line. Then write the solution using interval notation.-4.5 ? x
A. (-4.5, ?)
B. (-?, -4.5]
C. [-4.5, ?)
D. (?, -4.5)
Mathematics
Write the decimal in numbers.Eight and seventeen hundredths
A. 8.017 B. 817 C. 8.0017 D. 8.17
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 2
B. 
C. 27
D. 
Mathematics
Solve the system of equations by graphing. If there is no solution or an infinite number of solutions, state this. 
A. (0, 9) B. Infinite number of solutions C. (5, -6) D. No solution
Mathematics