The cost y (in dollars) to provide food for guests at a dinner party is proportional to the number x of guests attending the party. it costs $30 to provide food for 4 guests.

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

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

Urgent? will give brainliest to the first correct answer what is the area of the figure?