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(3 , -3)

Step-by-step explanation:

To find this, we can use the midpoint formula which is:

We can tell the coordinates of the line starts at (1, -5) and stops at (5, -1). We can substitute these values into the formula above where x1 and y1 are the x and y coordinates of the first coordinate and x2 and y2 are the second:

So the midpoint is:

(3 , -3)

Hope this helps!

- 70

this is the answer for you hope it

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.