Valeria is preparing for the national spelling bee and is following a strict study plan. To create the plan, she timed how long it had taken her to memorize several words. Valeria recorded the number of letters in each word, x, and how many minutes, y, it had taken her to memorize it.

X+ y = 5 ; x - y =3 solve using linear combination

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

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