How many solutions are there to this system of equations? math item stem image

Find the value of the variable and the length of each secant segment.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Which expression is rational? 6. , square root two, square root 14, square root 49