Factor completely. If the polynomial is prime, state this.x2 + 2x2yz + x2y2z2
A. Prime
B. x2(yz + 1)(yz - 1)
C. x(yz - 1)2
D. x2(yz + 1)2
Answer: D
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The volume of a right circular cone of radius r and height h is 
Suppose that the radius and height of the cone are changing with respect to time t.
a. Find a relationship between 
b. At a certain instant of time, the radius and height of the cone are 12 in. and 13 in. and are increasing at the rate of 0.2 in./sec and 0.5 in./sec, respectively. How fast is the volume of the cone increasing?
Solve the linear equation.17 + 3x - 9 = 10x - 14 - 5x
A. 11 B. 3 C. -11 D. -3
Solve the problem.Dombro Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 10 feet wide and 2 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the y-coordinate of the point on the y-axis that would be the center of the circle. Round to the hundredths place.
?a = 5
A. 5.83 B. 52.5 C. 4.57 D. -5.25
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C.
D. 