Provide an appropriate response.Solve: 
+ 2 = 6
A. = -1, x = 3
B. no solution
C. x = -3, x = -
D. x = 3, x = 
Answer: D
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The amount L, in liters, of liquid remaining in a tank after t hours satisfies the equation of change 
. What is happening to the liquid in the tank when there are 53 liters present?
?
A. The amount of liquid is at a minimum. B. The amount of liquid in increasing. C. The amount of liquid is deceasing. D. The amount of liquid is at a maximum.
Solve.A stock worth $202 per share on July 12 dropped to $74 per share on July 31 of the same year. Find how much it lost in value from July 12th to the 31st.
A. $129 B. $128 C. $132 D. $138
Solve the quadratic inequality. Express your solution on a number line using interval notation.(x - 3)(x + 7) > 0
A. (-7, ?)
B. (-7, 3)
C. (-?, -3) ? (7, ?)
D. (-?, -7) ? (3, ?)
When tuning a piano, a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by ? y = 0.001 sin 850?t, ? wheret is the time (in seconds). ? The frequency is given by f = 1 / p. What is the frequency of the note? ?
A. 85 cycles/sec
B. 
cycles/sec
C. 
cycles/sec
D. 850 cycles/sec
E. 425 cycles/sec