Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-4x ? -12 or 4x > 12x - 8 
A. (-?, 1) ? [3, ?)
B. (-?, 1] ? (3, ?)
C. ?
D. (1, 3]
Answer: A
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Translate the situation into mathematical language. You need not actually solve the problem.A piece of wire 124 in. long is to be cut into two pieces, and those pieces are each to be bent to make a square. The area of one square is to be 225 in.2 greater than that of the other. How should the wire be cut?
A. Let x be the length of one piece of wire; x
= 225
B. Let x be the length of one piece of wire; 
2 + 
2 = 225
C. Let x be the length of one piece of wire; 
2 - 
2 = 225
D. Let x be the length of one piece of wire; 
2 - 
2 = 225
Find all values of x satisfying the given conditions.y = 
and y = 2
A. - 
, - 
B. 
, 
C. - 
, - 
D. No solutions
Factor completely. If the polynomial is prime, state this.20(x - 1)2 + 21y(x - 1) - 5y2
A. (x - 1)(4y + 5)(5y - 1) B. (4x - 4 + 5y)(5x - 5 - y) C. (4x + 5y)(5x - y) D. (4x - 4 - 5y)(5x - 5 + y)
Find the indicated intersection or union.{s, u, g, a, r} ? {s, a, l, t}
A. {s, u, g, a, r, l, t} B. {s, a, l} C. {s, a} D. {s}