What is the difference of ( 6x -7 y) and (4x+3 y)

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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)

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50