Solve the quadratic equation using the most efficient technique (factoring, extracting square roots, completing the square, or the quadratic formula).(4x + 1)2 = 17
A. 
B. {-1 ± 
}
C. 
D. 
Answer: C
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Solve the problem.A tank initially contains 100 gal of brine in which 40 lb of salt are dissolved. A brine containing 
of salt runs into the tank at the rate of 4 gal/min. The mixture is kept uniform by stirring and flows out of the tank at the rate of 3 gal/min. Find the solution to the differential equation that models the mixing process.
A. y = 4(50 + t) - 
B. y = 4(50 + t) - 
C. y = 2(100 + t) - 
D. y = 2(100 + t) - 
If the number given is a mixed number, convert it to a fraction. If the number is given as a fraction, convert it to a mixed number.
A. 3
B. 3
C. 4
D. 2
Solve the equation. First simplify the expression by combining like terms.-7b + 8 + 5b = -3b + 13
A. { -8 } B. { -13 } C. { 5 } D. { 13 }
Solve and check.
= 
A. x = 
B. x = 64
C. x = 12
D. x = 1