Solve the system of nonlinear equations using the method of elimination.
A. (4, 1), (4, -3), (3, 1 + 
), (3, 1 - 
)
B. (4, 1), (4, -3), (3, -1 + 
), (3, -1 - 
)
C. (4, -1), (4, 3), (3, 1 + 
), (3, 1 - 
)
D. (4, 1), (4, -3), (-3, 1 + 
), (-3, 1 - 
)
Answer: B
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Solve the problems.A 8-kilometer roadway under construction is being completed at a pace of one-tenth of its length per week. After 6 weeks, how many meters remain to be completed?
A. 3.2 m B. 32 m C. 320 m D. 3,200 m
Find the limit.
A. ? B. 0 C. 1 D. No limit
Add.32 + 11 + 21
A. 55 B. 64 C. 46 D. 73
The concentration of a drug in an organ at any time 
(in seconds) is given by
?
?
where 
is measured in milligrams/cubic centimeter (mg/cm3).
?
What is the initial concentration of the drug in the organ?
?
__________mg/cm3
?
What is the concentration to four decimal places of the drug in the organ after 10 sec?
?
__________ mg/cm3
?
What is the concentration to four decimal places of the drug in the organ after 30 sec?
?
__________mg/cm3
?
What will be the concentration of the drug in the long run?
?
__________mg/cm3
What will be an ideal response?