Factor the expression, if the trinomial is a perfect square. If it is not a perfect square, write "not a perfect square."75k3n2m - 270k2nm2 + 243km3
A. not a perfect square
B. 3km(5kn - 9m)(5kn + 9m)
C. 3km(5kn - 9m)2
D. 3km(5kn + 9m)2
Answer: C
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Solve the problem.Pizzicato Pizza, Inc. finds that the cost to make x pizzas (with one topping) is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of pizzas, x, that must be sold for the company to show a profit?
A. 140 B. 182 C. 40,171 D. 30,719
Find all angles in [0°, 360°) that satisfy the equation.tan 4? = 0
A. {0°, 90°, 180°, 270°} B. {0°, 45°, 90°, 135°, 180°, 225°, 270°} C. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°} D. {33°, 57°, 147°, 237°, 327°}
Provide an appropriate response.Find the difference in the area of a circle circumscribed about a regular hexagon with sides of 10 cm and the area of the circle inscribed inside the same hexagon. 
A. 314.16 cm2 B. 235.62 cm2 C. 78.54 cm2 D. 157.08 cm2
Solve.A stone is a unit in the British customary system. Paul weighs 68.2 kilograms. Convert this weight to stones and pounds. Round to the nearest pound. Use this conversion: 
A. 2 stone 9 lb B. 5 stone 10 lb C. 15 stone 0 lb D. 10 stone 10 lb