The 3-year-old General Motors-Toyota venture is cutting...

The 3-year-old General Motors-Toyota venture is cutting the number of cars it makes for the second time this year because of declining sales. . . . Sears, Roebuck & Co. has signed on to peddle its wares over competitor J. C. Penney’s new Telaction home shopping and information service. . . . A U.S. magistrate in Cincinnati has recommended approval of a proposed settlement under which General Electric Co. would pay the federal government $234,000 for submitting falsified vouchers for work it performed under an Air Force contract. . . . Culver City-based Westwood One Inc. completed the purchase of three NBC radio networks. . . . Washington Post Co. said it completed the sale of its interest in four cable TV SportsChannel networks for an expected after-tax gain of about $6 million. . . . Martin Marietta Corp. said it received a contract worth $100 million from General Electric Co. to become the second production source for U.S. Navy F-14D aircraft. . . . Deere and Co. posted a profit of $25.5 million for the third quarter, in contrast with a loss of $33.8 million a year ago.