Solve the equation on the interval [0, 2?).sec 
= cos 
A. 0, 
, ?, 
B. 
, 
C. 
, 
, 
, 
, 
, 
, 
D. 0
Answer: D
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A drug is carried into an organ of volume 
cm3 by a liquid that enters the organ at the rate of p cm3/sec and leaves it at the rate of q cm3/sec. The concentration of the drug in the liquid entering the organ is r g/cm3. If the concentration of the drug in the organ at time 
is increasing at the rate of
?
?g/cm3/sec, and the concentration of the drug in the organ initially is 
g/cm3, find the concentration of the drug in the organ at time 
.
?
A. 
B. 
C. 
D. 
Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today. 
*All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: Los AngelesWhat does $100 of Food and beverages cost today?
A. $117.10 B. $237.80 C. $115.50 D. $229.60
If both a parallelogram and triangle have the same base and altitude, then thearea of the parallelogram is twice the area of the triangle.
Answer the following statement true (T) or false (F)
Find the percent. Round to the nearest tenth of a percent, if necessary.What percent of 92 is 46?
A. 2% B. 0% C. 50% D. 200%