Which expression is a difference? a.(6 - 4) x 5 b.6 - (4 x 5) c.8 + (5 - 2) d.(6 - 4)(3 - 1)?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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

Would greatly appreciate these 3 answers