#of miles 1 2 3 4 5 6 7 8 9 total cost (dollars) $4.50 $9 $13.50 $18.00 $22.50 $27.00 $31.50 $36.00 $40.50 write an equation in slope-intercept, point-slope, or standard form

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?