Since factors need to show that a number can be divided by another and 6*3=18, C is the answer.
D the best answer My teacher help me into the equation
Answer:
Area of gray region = 
Step-by-step explanation:
The area covered by the furniture can be subtracted from the total area of the room to calculate the area of the gray region.
<em>Total</em> area of the room: 
Area taken up by furniture: 
Area of gray region = total area of the room - area taken up by furniture
Area of gray region = 
Remember to distribute the negative sign:
Area of gray region = 
Combine like terms:
Area of gray region = 
81 is the perfect square because 9 * 9
Answer:
an equation involving the unknown function y, its derivatives y' and y'', and the variable x.
Step-by-step explanation: