Answer:
I think its step 2.
Step-by-step explanation: Correct me if im wrong. Hope it helps. :)
Answer:
r = 5 inches
Step-by-step explanation:
Area of circle, 
It is required to find the radius of the circle. The area of a circle is given by the formula :

r is radius of the circle

So, the radius of the circle is 5 inches.
Answer:
b. The system is not in echelon form because the system is not organized in descending "stair step" pattern so that the index of the leading variables increases from the top to bottom.
Step-by-step explanation:
The given linear system has a equation which is not in echelon form. The echelon is a system which divides the data into rigid hierarchal groups. The given linear equation in not in echelon form as the leading variables are increased from top to bottom indicating descending stair step pattern.
Answer:
A. Linear
Step-by-step explanation:
As the x value goes up by 1, the y value goes up by 3 each time
Answer:
6*4,2*12...
Step-by-step explanation:
24=6*4,2*12...