Which situation can be represented by the expression 1.3x?
-a the total cost of an item that is x dollars more than $1.30
-b the area of a rectangle with side lengths 1.3 and x
-c the amount of change when $1.30 is used to pay for an item costing x dollars
-d the number of square feet in each lot when 1.3 acres is partitioned into x equal sections

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?