Cristian was installing a fence with his Dad on all four sides of a backyard. The yard is 40 feet long and 50 feet wide. Two-fifths of the fence will be chain link. How many feet of chain link will him and his Dad need?

The chart below shows the distribution of weeds in yard

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Consider the first four terms of the sequence below. what is the 8th term of this sequence?