What is the point -5, 2 rotated 270 degrees about the point 4, -2?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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 spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1