Expression with (-1) as its base that will produce a positive

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.