Choose which of the following descriptions apply to the number (more than one may apply): whole, integer, rational, irrational, real.- 
A. Real, rational
B. Real, rational, integer
C. Real, irrational
D. Real, whole
Answer: A
Mathematics
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Factor the expression completely.5x4 - 80
A. (5x2 + 4)(x - 2)(x + 2) B. 5(x2 + 4)(x2 + 4) C. 5(x2 + 4)(x - 2)(x - 2) D. 5(x2 + 4)(x - 2)(x + 2)
Mathematics
Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(x, 3 - x)} B. {(6, 3)} C. ? D. {(0, 9)}
Mathematics
Find the center and radius of the circle.x2 + y2 = 9
A. (0, 0); 3 B. (0, 0); 9 C. (0, 3); 9 D. (3, 3); 9
Mathematics
Solve the inequality and graph the solution on a number line.x2 + 12x + 35 ? 0
A. 
B. 
C. 
D. 
Mathematics