Classify Polynomials E. Give an example of a polynomial that has 3 terms, a
leading coefficient of 7, and a degree of 5.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.