Find a power series expansion about xequals=0 for a general solution to the given differential equation. Your answer should include a general formula for the coefficients. y prime minus 2 xyy′−2xyequals=0

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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)