WILL MARK U AS BRAINLIST

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

What is the solution of log2  (3x  -  7)  =  3? 4 5

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?