The center for dilation and the scale factor plz

7+(3n++8) what is the answer to this?

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear