Use your graphing calculator to create the least square regression line for this data (rounding the slope to 3-decimals and the y-intercept to 2 decimals). Use the regression line function to predict the life span for an animal with a 470-day gestation period. An animal with a gestation period of 470 days would have an average longevity of years. Round your answer up to the nearest whole number of years.

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text