Using estimation expression in the limit of sequence definition

The cost of camp, c, is going to increase by 8% next summer. write an expression that represents rhe expected cost for next summers camp.

Ineed with number 17 i don’t get it at alll

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3