Solve the system by substitution.
A. (-4.55, -8.5)
B. (-4.55, 8.5)
C. (-8.5, -4.55)
D. (8.5, -4.55)
Answer: C
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Solve the problem.Plutonium has a decay rate of 0.003% per year. Suppose that a nuclear accident causes plutonium to be released into the atmosphere each year perpetually at the rate of 2 lb per year. What is the limiting value of the radioactive buildup? Round to the nearest pound.
A. 666,667 lb B. 6667 lb C. 667 lb D. 66,667 lb
Which abbreviation below means, "four times per day?"
A. tid B. q4h C. qid D. p.r.n.
Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.t2 + 2t + 1 = 0
A. One rational solution (a double solution) B. Two distinct nonreal complex solutions C. Two distinct rational solutions D. Two distinct irrational solutions
Simplify.- 
A. - 
B. - 
C. 
D. 