Multiply.(-2x2y2 + 8xy + 7)(-3x2y)
A. 6x4y3 + 24x3y2 - 21x2y
B. 6x4y3 - 24x3y2 - 21x2y
C. 6x4y2 - 24x3y - 21x2y
D. 6x4y3 - 24x3y2 + 21x2y
Answer: B
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The volume of a cylinder varies jointly as its altitude and the square of the radius of its base. If the volume of a cylinder is 2,199 cubic centimeters when the radius of the base is 10 centimeters and its altitude is 7 centimeters, find the volume of a cylinder that has a base of radius 70 centimeters. The altitude of the cylinder is 56 centimeters.
A. V = 861,952 cm 3 B. V = 862,023 cm 3 C. V = 861,979 cm 3 D. V = 862,008 cm 3 E. V = 862,118 cm 3
Answer the question about the given function.Given the function f(x) = -7x2 - 14x + 8, what is the domain of f?
A. all real numbers B. {x|x ?-1} C. {x|x ? -1} D. {x|x ? 1}
Solve. Write the answer in simplest form.Find the perimeter of the parallelogram. Recall that the perimeter of a figure is the distance around the figure.
A. 
yd
B. 
yd
C. 
yd
D. 
yd
Using switches, design a circuit that would find the truth values for the statement.
?
?
Select the correct circuit.
?
(a)
(b)
(c)
What will be an ideal response?