Solve the problem.The caretaker at the mall puts 300 mL of antistatic into the humidifier every day. How many liters are needed for a six-month (30 days/month) supply?
A. 54,000 L
B. 540 L
C. 54 L
D. 5400 L
Answer: C
Mathematics
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Find the interval of convergence of the series.
A. 7 < x < 9 B. x < 12 C. 4 < x < 12 D. -12 < x < 12
Mathematics
Solve the problem.A building has an entry with the shape of a parabolic arch 92 feet high and 42 feet wide at the base. Find an equation for the parabola if the vertex is placed at the origin of the coordinate system.
A. y2 = -19.2x B. y2 = -4.8x C. x2 = -4.8y D. x2 = -19.2y
Mathematics
Find the remaining trigonometric functions of ? if 
where m and n are both positive. Assume that ? is between 0° and 180°.
?
A. 
, 
, 
, 
B.
, 
, 
, 
C.
, 
, 
, 
D.
, 
, 
, 
E.
, 
, 
, 
Mathematics
Find the equation of the line passing through the indicated two points in standard form.(-3, 0) and (0, 2)
A. -3x - 2y = -4 B. 2x - 3y = -6 C. -2x - 3y = -6 D. 3x + 2y = -4
Mathematics