Write an equivalent expression to -3x+ -10y-9 Please and thank you !
(P. S im in middle school not college aa)

Yo need asap pls ! markin da brainiest too !

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

Tell whether the two rates form a proportion