Find the equation of a line perpendicular to another line

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

What expression is equivalent to log3(x+4)

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