What is 3 hours mix with 3 days and 5 hours?

Is a deceasing linear model or an exponential decay model likely to be a better fit for the data about remembering? ?

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit