Ashley’s cell phone bill was the same amount each month for 3 months. The total change in her checking account was -$239.97. Which one of the following describes what happened to her account each month?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

What is the distance between the points (2, 5) and (5,9)?

Consider the enlargement of the pentagon. what is the value of x, rounded to the nearest tenth? 2.1 centimeters 3.3 centimeters 7.0 centimeters 15.0 centimeters