Describe the similarities and differences between the line y=x and power function with odd degree greater than one

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?