Find the volume of the figure. If necessary, use ? ? 3.14 and round as indicated.Round to the nearest hundredth.
A. 819 km3
B. 273 km3
C. 857.22 km3
D. 409.5 km3
Answer: B
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Decide whether ?, ?, both, or neither can be placed in the blank to make a true statement.{s, r, t} {s, r, t}
A. Both ? and ? B. Neither C. ? D. ?
Solve.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands. Find the demand for the calculator if the price is $5 per calculator.
A. 61 thousand units
B. 9 thousand units
C. 40
thousand units
D. 10 thousand units
Provide an appropriate response.Why is it not possible to have an alternating sequence that is an arithmetic sequence?
What will be an ideal response?
Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
A. cos ? = - 
, tan ? = - 
B. cos ? = 
, tan ? = 
C. cos ? = - 
, tan ? = 
D. cos ? = - 
, tan ? = - 