Solve the problem.The dosage for Carboplatin Chemotherapy drugs depends on several parameters of the drug as well as the age, weight, and sex of the patient. For a male patient, the formulas giving the dosage for a certain drug are: D = A(c + 25)and c =
,where A and x depend on which drug is used, D is the dosage in milligrams (mg), c is called the creatine clearance, y is the patient's age in years, and w is the patient's weight in kg. For a 50 year old man, find an expression for
in terms of A and x.
A. =
B. =
C. =
D. =
+ 25A
Answer: C
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Find the lateral surface area and volume of the following solid object. (Round as directed in parentheses and use the ? key for ?.
A. L = 30,900 m2, V = 778,400 m3 B. L = 29,700 m2, V = 778,100 m3 C. L = 30,100 m2, V = 780,300 m3 D. L = 24,300 m2, V = 762,400 m3
Evaluate the expression.-4
A. 625
B.
C.
D. -625
Solve the problem.Juliette forgot to study for a test. Of the 180 questions on the test, she answered only 45% correctly. How many questions did she answer correctly?
A. 85 B. 45 C. 56 D. 81
Provide an appropriate response.A student is told that there are two solutions to the problem 2x2 = 7x. The student can only find one, namely, x = . How can you advise him or her?
What will be an ideal response?