Solve the equation.8k + 24 = 0
A. k = 2
B. k = 
C. k = 
D. k = 3
Answer: B
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Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 25 liters B. 12.5 liters C. 20 liters D. 16.7 liters
Perform the indicated operation.-12x6(-11x5 - 2x3 - 1)
A. 132x11 - 2x3 - 1 B. 132x5 + 24x3 + 12 C. 132x11 + 24x9 D. 132x11 + 24x9 + 12x6
Solve.
+ 
= 
A. -3, -2 B. -2 C. 3, 2 D. 3
Use the formula for the general term (the nth term) of an arithmetic sequence to find the indicated term of the sequence with the given first term, a1, and common difference, d.Find a8 when a1 = -9, d = -4.
A. 23 B. -41 C. 19 D. -37