An n × m matrix, when multiplied by an m × n matrix, yields

Joe bought some cheese at his local grocery store. After he brought it home, he noticed it was moldy even though the expiration date was still three weeks away. He should call the toll-free hotline number printed on the package to tell the company of the problem he encountered.

a. true b. false

Which statement about lawsuits is NOT correct?

A. The defendant commences the action with a complaint. B. A direct examination of a witness is followed by a cross-examination. C. Most lawsuits are settled before trial. D. If there is a jury, the jury determines questions of fact.