An artist is arranging tiles in rows to decorate a wall. each new rows has 2 fewer tiles then the one below it. if the first row has 23 tiles, how many tiles will be in the seventh row.

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.