Jeff and Karen can build a 75 foot retaining wall together in six hours because Jeff has more experience, he could build a wall by himself two hours quicker than Kurt. How long will it take her to the nearest minute to build a wall by himself?

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

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

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