The line y = 2x + 6 cuts the x-axis at A and the y-axis at B. Find (a) the length of AB,
(b) the shortest distance of O to AB, where O is the origin (0,0)​

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

Which expression is not a polynomial?