Elaine has m dollars in her checking account. on december 8, she deposited 1,200, r dollars, and $568.90. she also cashed a check for t dollars and one for $73.70. write an algebraic expression that represents the amount of money in her account after the transaction

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.