What conclusion can you make about the difference of any two odd integers?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]