Solve. If no solution exists, state this.x + 
= -5
A. 1, 4
B. -5, 4
C. -1, -4
D. 4
Answer: C
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Factor the trinomial, if possible.(x + 4y)2 + 6(x + 4y) + 9
A. (x + 4y - 3)(x - 4y + 3) B. (x - 4y + 3)2 C. (x + 4y + 3)2 D. (x + 4y - 3)2
Multiply.
? 
A. 
B. 
C. 
D. 
Solve the problem.A formula for the length of a diagonal from the upper corner of a box to the opposite lower corner is 
where L, W, and H are the length, width, and height, respectively. Find the length of the diagonal of the box if the length is 23 inches, width is 15 inches, and height is 8 inches. Leave your answer in simplified radical form.
A. 
in.
B. 2
in.
C. 2
in.
D. 
in.
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-5, 8)} B. {(-4, 7)} C. {(4, 8)} D. no solution; ?