Solve the problem.It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 30 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A. 10.0 L
B. 15 L
C. 12 L
D. 7.5 L
Answer: D
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Use the following table of values to estimate the value of 
at 
. Round your answer to two decimal places.
?
x 1 3 6 9
5 7 11 13?
A. 1.33
B. 4.00
C. 0
D. None of the above
Graph the functions on the same grid.y = -2x and y = - 
A. 
B. 
C. 
D. 
Graph the polynomial function.P(x) = -2x(x + 2)2 
A. 
B. 
C. 
D. 
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 