Write as an equivalent decimal. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.
B. 0.27
C. 0.
D. 0.2
Answer: C
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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(- 2, - 1)
A. increasing B. decreasing C. constant
Solve the problem.An arch has the shape of half an ellipse. The equation of the ellipse is 
where x and y are in meters. How high is the center of the arch? 
A. 30 m B. 36 m C. 18 m D. 15 m
Multiply and simplify.(1 - cot ?)2
A. 1 + 2 sin2? B. cos2? - cot ? C. sin ? + csc ? D. csc2? - 2 cot ?
A tank initially contains 125 lbs of salt dissolved in 500 gal of water. Saltwater containing 3 lbs of salt per gal enters the tank at the rate of 5 gal per min. The mixture (kept uniform by stirring) is removed at the same rate. How many pounds of salt are in the tank after 1 1/2 hour? 19
What will be an ideal response?