Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 5x - 4 + 5x + 6 = 3x + 7x - 1
A. {0}
B. {x|x is a real number}
C. {160}
D. ?
Answer: D
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Answer the question.What is the smallest number that can be used to fill in the blank to make a true statement?If 
points are chosen in or on the boundary of a square with a side of length 8 cm, at least two of them must be no more than 4
cm apart.
A. 5 B. 6 C. 4 D. 8
How many distinguishable permutations of letters are possible in the word?MISSISSIPPI
A. 831,600 B. 69,300 C. 39,916,800 D. 34,650
Find the area of the figure. Use 3.14 to approximate ?, if needed.
A. 416.52 sq yd B. 682.56 sq yd C. 419.04 sq yd D. 362.52 sq yd
Solve the problem.Use the formula P = Iekt. A bacterial culture has an initial population of 10,000. If its population declines to 6000 in 6 hours, what will it be at the end of 8 hours?
A. 5061 B. 6000 C. 2000 D. 2531