A purse containing at most $3.15 in quarters and dimes has, in all, 20 coins. Find the maximum number of quarters in the purse.

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which expression is not a polynomial?