Dr. Baer wanted to do a survey on students and drug use. Which of the following is a random sample? A. Every Fifth student on the School roll sheet
B. Two of the honors classes and two of the average classes
C. Students who volunteered
D. All of these are correct

4. you are asked to make 125 grams of a 7% antifungal cream using tolnaftate powder and eucerin cream. how many grams of tolnaftate powder are needed? round to the nearest hundredths (w/w)

C(x)=(2x^2+5x)/(x^3+8) what is maximum c(x)?

Anurse is caring for a client who is receiving a continuous iv infusion of magnesium sulfate for preterm labor. the nurse should discontinue the infusion and prepare to administer calcium gluconate if the client demonstrates which of the following findings? (select all that apply) a. urine output 80 ml in 4 hr b. absence of deep-tendon reflexes c. report of chills d. decreased level of consciousness e. systolic blood pressure 130 mm hg