Laura bought some movie tickets. The graph represents the
proportional relationship between the cost and the number of movie
tickets. Find the cost of seven tickets

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?

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket

Through which points should a line of rotation be placed to create a cylinder with a radius of 3 units