<h3>
How to identify the source and range of the signal?</h3>
Remember that a circle of radius R, centered at the point (a, b) is described by the equation:

In this case, we have the equation:

First, notice that 49 = 7², so we can rewrite:

Then, comparing this with the general circle equation, we can see that the center is at (5, -2) and the radius is R = 7.
Then the source is at (5, -2) and the range is 7 units.
If you want to learn more about circles:
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Number of multiples of 7 up to 1337:

Number of multiples of 11 up to 1337:

Number of multiples of 77 up to 1337:

This means there are

distinct multiples of 7 *or* 11 up to 1337.
The sum of these multiples is

which can be computed using the well-known formula,

So you have
Answer:
6
Step-by-step explanation:
Given the following :
Number of sugar cookies = 42
Number of Oatmeal = 30
To package the cookies into identical containers so that each container has the same number of cookies with no left over ;
We find the greatest common factor of 42 and 30
Factors of 42 : 1, 2, 3, 6, 7, 14, 21, 42
Factors of 30 : 1, 2, 3, 5, 6, 10, 15, 30
The greatest common factor = 6
You can find the slope of a line by looking at the number that has an X next to it.
for example
y=2x+5
the slope is = 2
hope this helps