Stacey's text messaging plan charges 25¢ for each message over 650 in addition to a $12 base charge. If she owes $60.75 for text messaging in the month of April, how many text messages did she send that month?

What is the slope of the line shown below?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?