Round 17,519 to the underlined place value.

17,500
20,000
18,000
17,000

Polynomial that can be factored as (3x-4)(3x+4)

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28