?? anyone know thank you❤️

Simplify the expression. -2/5(10+15m-20n)

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

The odometer on a car shows 132.8 miles traveled. find the greatest possible error of the measurement. a. 0.5 b. 0.05 c. 0.005 d. 0.06