This is worth 10 points if you show work you will get the Brainliest answer if your unable to show work type it for your explanation plz ( no links ) for each question i post the points will get higher

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

What is the value of x in the equation7x+2y=48 when y=3

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale