The function is:

Now to put in the form Ax+By=c we hace to let the number that don't have x ot y in the left side of the equation anthe the rest of the term in the right side of the equation:

where:
Directions to a place, or point on a graph.
Answer:
(8,-3)
Step-by-step explanation:
(x1+x2/2), (y1+y2/2)
7+9/2=16/2=8 x=8
-5-1/2=-6/2=-3 y=-3
The center is located at 0,0 and the radius is 5.
Yes she will have enough because 1.25 + 1.25 is 2.50