Astadium has 250 people in it at noon. if 35 people per minute enter the stadium, how many are in the stadium at 1: 30 p. m. when a concert is supposed to begin? no one who has entered has left. a.) 3150 b.) 3400 c.) 303 d.) 508

Standard deviation of 19,29,21,22,23

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?