Use undetermined coefficients to find the particular solution to
y''−4y'−5y = 4t^2+6t+6
find the particular solution to
y''−25y=2e^5t

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.