Please help :( I have trouble understanding this...
[Solve for x] - 7 = 3/a ( x + 5)

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

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)