judy williams

Most popular questions and responses by judy williams
  1. math

    Use front-end estimation with adjustment to estimate each of the following: a. 2345 + 5250 + 4210 + 910 b. 345 + 518 + 655 + 270

    asked on July 2, 2011
  2. math

    . Prove that -x - y = -y – x; for all integers x and y.

    asked on July 2, 2011
  1. math

    Suppose the 435 members of the House of Representatives are placed on committees consisting of more than 2 members but fewer than 30 members. Each committee is to have an equal number of members and each member is to be on only one committee. a. What size

    posted on July 3, 2011