Answer:
Option A.
Step-by-step explanation:
Circle contains all points in a plane that are equidistant from a point, i.e., center of the circle.
The locus of points 9 units from the point (-1,3) on the coordinate plane.
It means, the figure represents the set of all points which are 9 units from the point (-1,3).
So, the given describes a circle with of 9 units and center at (-1,3).
Therefore, the correct option is A.
Answer:
-9 thats what my friend told me
Step-by-step explanation:
The required value is 
Step-by-step explanation:
Weight of ants = 
Weight of elephant= 
We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.
The equation given is:

We need to find a:
Solving:

So, the required value is 
Keywords: Scientific Notation
Learn more about Scientific Notation at:
#learnwithBrainly
Answer:
$37.50
Explanation of answer:
You divide 30 by 100 and you will get 0.3 then you times 123.50 by 0.3 and you will get the answer
1/10x + 6 = 2/5x
6 = 2/5x - 1/10x
6 = 4/10x - 1/10x
6 = 3/10x
6 / (3/10) = x
6 * 10/3 = x
60/3 = x
20 = x <=== the gas tank can hold 20 gallons