After khalil gave benjamin 3/5 of the rocks in his collection, benjamin had 70 rocks. if benjamin had 25 rocks in the beginning, how many rocks did khalil have in the beginning?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

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