If it takes a window washer 90 minutes to clean 11 windows, how long will it take to wash 55 windows at this rate? A. 6.72 hours B. 7.00 hours C. 7.50 hours D. 8.25 hours

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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)

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