study quadrilateral ABCD. Which graph of A’B’C’D’ shows the reflection of quadrilateral ABCD across the line y=x?

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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)